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153420904 = 2371332943
BaseRepresentation
bin10010010010100…
…00010001101000
3101200200120220201
421021100101220
5303233432104
623120201544
73542025160
oct1111202150
9350616821
10153420904
117966943a
12434692b4
1325a29000
14165395a0
15d7080a4
hex9250468

153420904 has 128 divisors (see below), whose sum is σ = 376992000. Its totient is φ = 57238272.

The previous prime is 153420899. The next prime is 153420931. The reversal of 153420904 is 409024351.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3567907 + ... + 3567949.

It is an arithmetic number, because the mean of its divisors is an integer number (2945250).

Almost surely, 2153420904 is an apocalyptic number.

153420904 is a gapful number since it is divisible by the number (14) 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 153420904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188496000).

153420904 is an abundant number, since it is smaller than the sum of its proper divisors (223571096).

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

153420904 is a wasteful number, since it uses less digits than its factorization.

153420904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 153420904 is about 12386.3192272765. The cubic root of 153420904 is about 535.3381319551.

The spelling of 153420904 in words is "one hundred fifty-three million, four hundred twenty thousand, nine hundred four".

Divisors: 1 2 4 7 8 13 14 26 28 29 43 52 56 58 86 91 104 116 169 172 182 203 232 301 338 344 364 377 406 559 602 676 728 754 812 1118 1183 1204 1247 1352 1508 1624 2197 2236 2366 2408 2494 2639 3016 3913 4394 4472 4732 4901 4988 5278 7267 7826 8729 8788 9464 9802 9976 10556 14534 15379 15652 16211 17458 17576 19604 21112 29068 30758 31304 32422 34307 34916 39208 50869 58136 61516 63713 64844 68614 69832 94471 101738 113477 123032 127426 129688 137228 188942 203476 210743 226954 254852 274456 377884 406952 421486 445991 453908 509704 661297 755768 842972 891982 907816 1322594 1475201 1685944 1783964 2645188 2739659 2950402 3567928 5290376 5479318 5900804 10958636 11801608 19177613 21917272 38355226 76710452 153420904