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149251256 = 23721134613
BaseRepresentation
bin10001110010101…
…10010010111000
3101101211202020022
420321112102320
5301202020011
622450550012
73461420600
oct1071262270
9341752208
10149251256
1177280750
1241b98308
1324bc916b
1415b71c00
15d1828db
hex8e564b8

149251256 has 48 divisors (see below), whose sum is σ = 355139640. Its totient is φ = 58148160.

The previous prime is 149251253. The next prime is 149251283. The reversal of 149251256 is 652152941.

It is a happy number.

149251256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149251253) 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 11 ways as a sum of consecutive naturals, for example, 12995 + ... + 21618.

Almost surely, 2149251256 is an apocalyptic number.

It is an amenable number.

149251256 is an abundant number, since it is smaller than the sum of its proper divisors (205888384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149251256 is a wasteful number, since it uses less digits than its factorization.

149251256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34644 (or 34633 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 149251256 is about 12216.8431274204. The cubic root of 149251256 is about 530.4437437144.

The spelling of 149251256 in words is "one hundred forty-nine million, two hundred fifty-one thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 49 56 77 88 98 154 196 308 392 539 616 1078 2156 4312 34613 69226 138452 242291 276904 380743 484582 761486 969164 1522972 1696037 1938328 2665201 3045944 3392074 5330402 6784148 10660804 13568296 18656407 21321608 37312814 74625628 149251256