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157940519 = 1114358229
BaseRepresentation
bin10010110100111…
…11101100100111
3102000012012122212
421122133230213
5310413044034
623401114035
73625320662
oct1132375447
9360165585
10157940519
1181176060
1244a8891b
132694c239
1416d946d9
15dcec2ce
hex969fb27

157940519 has 4 divisors (see below), whose sum is σ = 172298760. Its totient is φ = 143582280.

The previous prime is 157940501. The next prime is 157940527. The reversal of 157940519 is 915049751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157940519 - 224 = 141163303 is a prime.

It is a super-2 number, since 2×1579405192 = 49890415083978722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157940579) 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 3 ways as a sum of consecutive naturals, for example, 7179104 + ... + 7179125.

It is an arithmetic number, because the mean of its divisors is an integer number (43074690).

Almost surely, 2157940519 is an apocalyptic number.

157940519 is a deficient number, since it is larger than the sum of its proper divisors (14358241).

157940519 is a wasteful number, since it uses less digits than its factorization.

157940519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358240.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 157940519 is about 12567.4388401138. The cubic root of 157940519 is about 540.5441690952.

The spelling of 157940519 in words is "one hundred fifty-seven million, nine hundred forty thousand, five hundred nineteen".

Divisors: 1 11 14358229 157940519