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157241250 = 234541553
BaseRepresentation
bin10010101111101…
…00111110100010
3101221212200110000
421113310332202
5310223210000
623334120430
73616346205
oct1127647642
9357780400
10157241250
1180838751
12447b0116
1326765b7a
1416c5193c
15dc10000
hex95f4fa2

157241250 has 100 divisors (see below), whose sum is σ = 440563662. Its totient is φ = 41904000.

The previous prime is 157241237. The next prime is 157241251. The reversal of 157241250 is 52142751.

157241250 is a `hidden beast` number, since 1 + 572 + 41 + 2 + 50 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 2313441 + 154927809 = 1521^2 + 12447^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157241251) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 100474 + ... + 102026.

Almost surely, 2157241250 is an apocalyptic number.

157241250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157241250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220281831).

157241250 is an abundant number, since it is smaller than the sum of its proper divisors (283322412).

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

157241250 is an equidigital number, since it uses as much as digits as its factorization.

157241250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 157241250 is about 12539.5873137835. The cubic root of 157241250 is about 539.7452502088.

The spelling of 157241250 in words is "one hundred fifty-seven million, two hundred forty-one thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 125 135 150 162 225 250 270 375 405 450 625 675 750 810 1125 1250 1350 1553 1875 2025 2250 3106 3375 3750 4050 4659 5625 6750 7765 9318 10125 11250 13977 15530 16875 20250 23295 27954 33750 38825 41931 46590 50625 69885 77650 83862 101250 116475 125793 139770 194125 209655 232950 251586 349425 388250 419310 582375 628965 698850 970625 1048275 1164750 1257930 1747125 1941250 2096550 2911875 3144825 3494250 5241375 5823750 6289650 8735625 10482750 15724125 17471250 26206875 31448250 52413750 78620625 157241250