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157255306 = 2136048281
BaseRepresentation
bin10010101111110…
…00011010001010
3101221220101201121
421113320122022
5310224132211
623334305454
73616435165
oct1127703212
9357811647
10157255306
118084826a
12447b828a
132676c3a0
1416c56adc
15dc14271
hex95f868a

157255306 has 8 divisors (see below), whose sum is σ = 254027844. Its totient is φ = 72579360.

The previous prime is 157255303. The next prime is 157255331. The reversal of 157255306 is 603552751.

157255306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152152225 + 5103081 = 12335^2 + 2259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (157255303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024115 + ... + 3024166.

Almost surely, 2157255306 is an apocalyptic number.

157255306 is a deficient number, since it is larger than the sum of its proper divisors (96772538).

157255306 is a wasteful number, since it uses less digits than its factorization.

157255306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048296.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 157255306 is about 12540.1477662745. The cubic root of 157255306 is about 539.7613325731.

The spelling of 157255306 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, three hundred six".

Divisors: 1 2 13 26 6048281 12096562 78627653 157255306