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125857152 = 273461199
BaseRepresentation
bin1111000000001…
…10110110000000
322202211012120000
413200012312000
5224204412102
620253320000
73055524321
oct740066600
9282735500
10125857152
1165052383
1236196000
13200c7bb5
1412a02448
15b0b101c
hex7806d80

125857152 has 160 divisors (see below), whose sum is σ = 382602000. Its totient is φ = 41057280.

The previous prime is 125857111. The next prime is 125857153. The reversal of 125857152 is 251758521.

125857152 is a `hidden beast` number, since 1 + 2 + 585 + 71 + 5 + 2 = 666.

It is a super-2 number, since 2×1258571522 = 31680045419102208, 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 (125857153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 632349 + ... + 632547.

Almost surely, 2125857152 is an apocalyptic number.

125857152 is a gapful number since it is divisible by the number (12) 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 125857152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191301000).

125857152 is an abundant number, since it is smaller than the sum of its proper divisors (256744848).

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

125857152 is an equidigital number, since it uses as much as digits as its factorization.

125857152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 265 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 125857152 is about 11218.6074002079. The cubic root of 125857152 is about 501.1402669392.

The spelling of 125857152 in words is "one hundred twenty-five million, eight hundred fifty-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 64 72 81 96 108 122 128 144 162 183 192 199 216 244 288 324 366 384 398 432 488 549 576 597 648 732 796 864 976 1098 1152 1194 1296 1464 1592 1647 1728 1791 1952 2196 2388 2592 2928 3184 3294 3456 3582 3904 4392 4776 4941 5184 5373 5856 6368 6588 7164 7808 8784 9552 9882 10368 10746 11712 12139 12736 13176 14328 16119 17568 19104 19764 21492 23424 24278 25472 26352 28656 32238 35136 36417 38208 39528 42984 48556 52704 57312 64476 70272 72834 76416 79056 85968 97112 105408 109251 114624 128952 145668 158112 171936 194224 210816 218502 229248 257904 291336 316224 327753 343872 388448 437004 515808 582672 632448 655506 687744 776896 874008 983259 1031616 1165344 1311012 1553792 1748016 1966518 2063232 2330688 2622024 3496032 3933036 4661376 5244048 6992064 7866072 10488096 13984128 15732144 20976192 31464288 41952384 62928576 125857152