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151090138 = 2892932897
BaseRepresentation
bin10010000000101…
…11001111011010
3101112022011201001
421000113033122
5302134341023
622554215214
73513150013
oct1100271732
9345264631
10151090138
1178317291
124272450a
13253c1164
14160d000a
15d3e76ad
hex90173da

151090138 has 16 divisors (see below), whose sum is σ = 230043240. Its totient is φ = 74415616.

The previous prime is 151090133. The next prime is 151090157. The reversal of 151090138 is 831090151.

It can be written as a sum of positive squares in 4 ways, for example, as 115842169 + 35247969 = 10763^2 + 5937^2 .

It is not an unprimeable number, because it can be changed into a prime (151090133) 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 7 ways as a sum of consecutive naturals, for example, 50706 + ... + 53602.

Almost surely, 2151090138 is an apocalyptic number.

151090138 is a deficient number, since it is larger than the sum of its proper divisors (78953102).

151090138 is a wasteful number, since it uses less digits than its factorization.

151090138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 151090138 is about 12291.8728434686. The cubic root of 151090138 is about 532.6133394783.

The spelling of 151090138 in words is "one hundred fifty-one million, ninety thousand, one hundred thirty-eight".

Divisors: 1 2 89 178 293 586 2897 5794 26077 52154 257833 515666 848821 1697642 75545069 151090138