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157255150 = 25213241931
BaseRepresentation
bin10010101111110…
…00010111101110
3101221220101111211
421113320113232
5310224131100
623334305034
73616434553
oct1127702756
9357811454
10157255150
1180848138
12447b817a
132676c2b0
1416c56a2a
15dc141ba
hex95f85ee

157255150 has 24 divisors (see below), whose sum is σ = 314995464. Its totient is φ = 58063200.

The previous prime is 157255129. The next prime is 157255159. The reversal of 157255150 is 51552751.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157255159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120316 + ... + 121615.

It is an arithmetic number, because the mean of its divisors is an integer number (13124811).

Almost surely, 2157255150 is an apocalyptic number.

157255150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157255150 is an abundant number, since it is smaller than the sum of its proper divisors (157740314).

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

157255150 is a wasteful number, since it uses less digits than its factorization.

157255150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241956 (or 241951 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 31.

The square root of 157255150 is about 12540.1415462506. The cubic root of 157255150 is about 539.7611540888.

The spelling of 157255150 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 241931 483862 1209655 2419310 3145103 6048275 6290206 12096550 15725515 31451030 78627575 157255150