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316489500 = 223253531327
BaseRepresentation
bin10010110111010…
…011111100011100
3211001112022222100
4102313103330130
51122010131000
651223245100
710562054625
oct2267237434
9731468870
10316489500
11152717278
1289ba9790
13507523c2
1430066a4c
151cbb9a00
hex12dd3f1c

316489500 has 144 divisors (see below), whose sum is σ = 1018023552. Its totient is φ = 82742400.

The previous prime is 316489477. The next prime is 316489501. The reversal of 316489500 is 5984613.

316489500 is a `hidden beast` number, since 3 + 1 + 648 + 9 + 5 + 0 + 0 = 666.

It is a super-2 number, since 2×3164895002 = 200331207220500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316489501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237837 + ... + 239163.

It is an arithmetic number, because the mean of its divisors is an integer number (7069608).

Almost surely, 2316489500 is an apocalyptic number.

316489500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316489500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509011776).

316489500 is an abundant number, since it is smaller than the sum of its proper divisors (701534052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316489500 is a wasteful number, since it uses less digits than its factorization.

316489500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 316489500 is about 17790.1517700103. The cubic root of 316489500 is about 681.4799801487.

The spelling of 316489500 in words is "three hundred sixteen million, four hundred eighty-nine thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 53 60 75 90 100 106 125 150 159 180 212 225 250 265 300 318 375 450 477 500 530 636 750 795 900 954 1060 1125 1325 1327 1500 1590 1908 2250 2385 2650 2654 3180 3975 3981 4500 4770 5300 5308 6625 6635 7950 7962 9540 11925 11943 13250 13270 15900 15924 19875 19905 23850 23886 26500 26540 33175 39750 39810 47700 47772 59625 59715 66350 70331 79500 79620 99525 119250 119430 132700 140662 165875 199050 210993 238500 238860 281324 298575 331750 351655 398100 421986 497625 597150 632979 663500 703310 843972 995250 1054965 1194300 1265958 1406620 1492875 1758275 1990500 2109930 2531916 2985750 3164895 3516550 4219860 5274825 5971500 6329790 7033100 8791375 10549650 12659580 15824475 17582750 21099300 26374125 31648950 35165500 52748250 63297900 79122375 105496500 158244750 316489500