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157405326 = 23133754541
BaseRepresentation
bin10010110000111…
…01000010001110
3101222012000111220
421120131002032
5310243432301
623341424210
73620631441
oct1130350216
9358160456
10157405326
118093aa51
124486b066
13267c2760
1416c95658
15dc43936
hex961d08e

157405326 has 32 divisors (see below), whose sum is σ = 348196128. Its totient is φ = 47122560.

The previous prime is 157405319. The next prime is 157405331. The reversal of 157405326 is 623504751.

157405326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24385 + ... + 30156.

It is an arithmetic number, because the mean of its divisors is an integer number (10881129).

Almost surely, 2157405326 is an apocalyptic number.

157405326 is an abundant number, since it is smaller than the sum of its proper divisors (190790802).

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

157405326 is a wasteful number, since it uses less digits than its factorization.

157405326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54596.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 157405326 is about 12546.1279285682. The cubic root of 157405326 is about 539.9329203370.

The spelling of 157405326 in words is "one hundred fifty-seven million, four hundred five thousand, three hundred twenty-six".

Divisors: 1 2 3 6 13 26 37 39 74 78 111 222 481 962 1443 2886 54541 109082 163623 327246 709033 1418066 2018017 2127099 4036034 4254198 6054051 12108102 26234221 52468442 78702663 157405326