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157251120 = 24351323877
BaseRepresentation
bin10010101111101…
…11011000110000
3101221220011222120
421113313120300
5310224013440
623334234240
73616420035
oct1127673060
9357804876
10157251120
1180845104
12447b5980
132676a500
1416c5538c
15dc12dd0
hex95f7630

157251120 has 120 divisors (see below), whose sum is σ = 527997456. Its totient is φ = 38697984.

The previous prime is 157251109. The next prime is 157251121. The reversal of 157251120 is 21152751.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (157251121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38622 + ... + 42498.

Almost surely, 2157251120 is an apocalyptic number.

157251120 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 157251120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263998728).

157251120 is an abundant number, since it is smaller than the sum of its proper divisors (370746336).

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

157251120 is a wasteful number, since it uses less digits than its factorization.

157251120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 157251120 is about 12539.9808612294. The cubic root of 157251120 is about 539.7565432042.

The spelling of 157251120 in words is "one hundred fifty-seven million, two hundred fifty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 169 195 208 240 260 312 338 390 507 520 624 676 780 845 1014 1040 1352 1560 1690 2028 2535 2704 3120 3380 3877 4056 5070 6760 7754 8112 10140 11631 13520 15508 19385 20280 23262 31016 38770 40560 46524 50401 58155 62032 77540 93048 100802 116310 151203 155080 186096 201604 232620 252005 302406 310160 403208 465240 504010 604812 655213 756015 806416 930480 1008020 1209624 1310426 1512030 1965639 2016040 2419248 2620852 3024060 3276065 3931278 4032080 5241704 6048120 6552130 7862556 9828195 10483408 12096240 13104260 15725112 19656390 26208520 31450224 39312780 52417040 78625560 157251120