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157009941 = 33115031051
BaseRepresentation
bin10010101101111…
…00100000010101
3101221102221011000
421112330200111
5310143304231
623325133513
73614363634
oct1126744025
9357387130
10157009941
118069a990
12446ba299
13266b47ba
1416bd151b
15dbb66e6
hex95bc815

157009941 has 32 divisors (see below), whose sum is σ = 254499840. Its totient is φ = 94878000.

The previous prime is 157009921. The next prime is 157009961. The reversal of 157009941 is 149900751.

It is an interprime number because it is at equal distance from previous prime (157009921) and next prime (157009961).

It is not a de Polignac number, because 157009941 - 29 = 157009429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157009896 and 157009905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157009921) 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 31 ways as a sum of consecutive naturals, for example, 148866 + ... + 149916.

It is an arithmetic number, because the mean of its divisors is an integer number (7953120).

Almost surely, 2157009941 is an apocalyptic number.

157009941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157009941 is a deficient number, since it is larger than the sum of its proper divisors (97489899).

157009941 is a wasteful number, since it uses less digits than its factorization.

157009941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 157009941 is about 12530.3607689484. The cubic root of 157009941 is about 539.4804570896.

The spelling of 157009941 in words is "one hundred fifty-seven million, nine thousand, nine hundred forty-one".

Divisors: 1 3 9 11 27 33 99 297 503 1051 1509 3153 4527 5533 9459 11561 13581 16599 28377 34683 49797 104049 149391 312147 528653 1585959 4757877 5815183 14273631 17445549 52336647 157009941