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157166080 = 29529273
BaseRepresentation
bin10010101111000…
…10101000000000
3101221201212022221
421113202220000
5310213303310
623332340424
73615614101
oct1127425000
9357655287
10157166080
1180797225
1244774714
132673a8a6
1416c323a8
15dbe7ada
hex95e2a00

157166080 has 120 divisors (see below), whose sum is σ = 395618652. Its totient is φ = 59867136.

The previous prime is 157166077. The next prime is 157166089. The reversal of 157166080 is 80661751.

It can be written as a sum of positive squares in 6 ways, for example, as 76597504 + 80568576 = 8752^2 + 8976^2 .

It is not an unprimeable number, because it can be changed into a prime (157166089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2152924 + ... + 2152996.

Almost surely, 2157166080 is an apocalyptic number.

157166080 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 157166080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197809326).

157166080 is an abundant number, since it is smaller than the sum of its proper divisors (238452572).

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

157166080 is an frugal number, since it uses more digits than its factorization.

157166080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 157166080 is about 12536.5896479066. The cubic root of 157166080 is about 539.6592271551.

The spelling of 157166080 in words is "one hundred fifty-seven million, one hundred sixty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 73 80 116 128 145 146 160 232 256 290 292 320 365 464 512 580 584 640 730 841 928 1160 1168 1280 1460 1682 1856 2117 2320 2336 2560 2920 3364 3712 4205 4234 4640 4672 5840 6728 7424 8410 8468 9280 9344 10585 11680 13456 14848 16820 16936 18560 18688 21170 23360 26912 33640 33872 37120 37376 42340 46720 53824 61393 67280 67744 74240 84680 93440 107648 122786 134560 135488 169360 186880 215296 245572 269120 270976 306965 338720 430592 491144 538240 541952 613930 677440 982288 1076480 1083904 1227860 1354880 1964576 2152960 2455720 2709760 3929152 4911440 5419520 7858304 9822880 15716608 19645760 31433216 39291520 78583040 157166080