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147086320 = 24531127467
BaseRepresentation
bin10001100010001…
…01101111110000
3101020202202111111
420301011233300
5300123230240
622332323104
73434133043
oct1061055760
9336682444
10147086320
1176032147
1241313494
132461b934
141576ac5a
15cda61ea
hex8c45bf0

147086320 has 80 divisors (see below), whose sum is σ = 356548608. Its totient is φ = 56367360.

The previous prime is 147086309. The next prime is 147086321. The reversal of 147086320 is 23680741.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1470863202 = 43268771062284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147086321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314727 + ... + 315193.

Almost surely, 2147086320 is an apocalyptic number.

147086320 is a gapful number since it is divisible by the number (10) 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 147086320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178274304).

147086320 is an abundant number, since it is smaller than the sum of its proper divisors (209462288).

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

147086320 is a wasteful number, since it uses less digits than its factorization.

147086320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 147086320 is about 12127.9149073532. The cubic root of 147086320 is about 527.8664913437.

The spelling of 147086320 in words is "one hundred forty-seven million, eighty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 127 155 248 254 310 467 496 508 620 635 934 1016 1240 1270 1868 2032 2335 2480 2540 3736 3937 4670 5080 7472 7874 9340 10160 14477 15748 18680 19685 28954 31496 37360 39370 57908 59309 62992 72385 78740 115816 118618 144770 157480 231632 237236 289540 296545 314960 474472 579080 593090 948944 1158160 1186180 1838579 2372360 3677158 4744720 7354316 9192895 14708632 18385790 29417264 36771580 73543160 147086320