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157338215 = 5611673089
BaseRepresentation
bin10010110000011…
…00101001100111
3101222001121110022
421120030221213
5310234310330
623340145355
73620231666
oct1130145147
9358047408
10157338215
11808a4591
124483825b
132679b048
1416c78ddd
15dc2dae5
hex960ca67

157338215 has 16 divisors (see below), whose sum is σ = 193112640. Its totient is φ = 123025920.

The previous prime is 157338211. The next prime is 157338277. The reversal of 157338215 is 512833751.

It is not a de Polignac number, because 157338215 - 22 = 157338211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157338211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49391 + ... + 52479.

It is an arithmetic number, because the mean of its divisors is an integer number (12069540).

Almost surely, 2157338215 is an apocalyptic number.

157338215 is a deficient number, since it is larger than the sum of its proper divisors (35774425).

157338215 is a wasteful number, since it uses less digits than its factorization.

157338215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322.

The product of its digits is 25200, while the sum is 35.

The square root of 157338215 is about 12543.4530732171. The cubic root of 157338215 is about 539.8561745451.

The spelling of 157338215 in words is "one hundred fifty-seven million, three hundred thirty-eight thousand, two hundred fifteen".

Divisors: 1 5 61 167 305 835 3089 10187 15445 50935 188429 515863 942145 2579315 31467643 157338215