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151052531 = 7176120809
BaseRepresentation
bin10010000000011…
…10000011110011
3101112020021010012
421000032003303
5302132140111
622553325135
73512632250
oct1100160363
9345207105
10151052531
11782a1003
12427067ab
13253a9cc6
14160c0427
15d3db48b
hex900e0f3

151052531 has 16 divisors (see below), whose sum is σ = 185791680. Its totient is φ = 119854080.

The previous prime is 151052513. The next prime is 151052543. The reversal of 151052531 is 135250151.

It is a happy number.

It is not a de Polignac number, because 151052531 - 222 = 146858227 is a prime.

It is a super-2 number, since 2×1510525312 = 45633734243011922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151052497 and 151052506.

It is not an unprimeable number, because it can be changed into a prime (151052581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3146 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (11611980).

Almost surely, 2151052531 is an apocalyptic number.

151052531 is a deficient number, since it is larger than the sum of its proper divisors (34739149).

151052531 is a wasteful number, since it uses less digits than its factorization.

151052531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20894.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 151052531 is about 12290.3429976547. The cubic root of 151052531 is about 532.5691458770.

The spelling of 151052531 in words is "one hundred fifty-one million, fifty-two thousand, five hundred thirty-one".

Divisors: 1 7 17 61 119 427 1037 7259 20809 145663 353753 1269349 2476271 8885443 21578933 151052531