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42284000 = 255311312
BaseRepresentation
bin1010000101001…
…1001111100000
32221120020202002
42201103033200
541311042000
64110143132
71022256653
oct241231740
987506662
1042284000
1121960660
12121b1aa8
1389b6325
14588989a
153aa38d5
hex28533e0

42284000 has 144 divisors (see below), whose sum is σ = 117110448. Its totient is φ = 14880000.

The previous prime is 42283991. The next prime is 42284017. The reversal of 42284000 is 48224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1363985 + ... + 1364015.

It is an arithmetic number, because the mean of its divisors is an integer number (813267).

Almost surely, 242284000 is an apocalyptic number.

42284000 is a gapful number since it is divisible by the number (40) 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 42284000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58555224).

42284000 is an abundant number, since it is smaller than the sum of its proper divisors (74826448).

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

42284000 is a wasteful number, since it uses less digits than its factorization.

42284000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 42284000 is about 6502.6148586549. The cubic root of 42284000 is about 348.3843905125.

It can be divided in two parts, 4228 and 4000, that added together give a palindrome (8228).

The spelling of 42284000 in words is "forty-two million, two hundred eighty-four thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 31 32 40 44 50 55 62 80 88 100 110 124 125 155 160 176 200 220 248 250 275 310 341 352 400 440 496 500 550 620 682 775 800 880 961 992 1000 1100 1240 1364 1375 1550 1705 1760 1922 2000 2200 2480 2728 2750 3100 3410 3844 3875 4000 4400 4805 4960 5456 5500 6200 6820 7688 7750 8525 8800 9610 10571 10912 11000 12400 13640 15376 15500 17050 19220 21142 22000 24025 24800 27280 30752 31000 34100 38440 42284 42625 44000 48050 52855 54560 62000 68200 76880 84568 85250 96100 105710 120125 124000 136400 153760 169136 170500 192200 211420 240250 264275 272800 338272 341000 384400 422840 480500 528550 682000 768800 845680 961000 1057100 1321375 1364000 1691360 1922000 2114200 2642750 3844000 4228400 5285500 8456800 10571000 21142000 42284000