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149253732 = 22331381979
BaseRepresentation
bin10001110010101…
…10111001100100
3101101211212122000
420321112321210
5301202104412
622451005300
73461431035
oct1071267144
9341755560
10149253732
11772825a1
1241b99830
1324bca324
1415b72a8c
15d1834dc
hex8e56e64

149253732 has 24 divisors (see below), whose sum is σ = 386954400. Its totient is φ = 49751208.

The previous prime is 149253707. The next prime is 149253733. The reversal of 149253732 is 237352941.

149253732 is a `hidden beast` number, since 1 + 4 + 92 + 537 + 32 = 666.

149253732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149253733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690882 + ... + 691097.

It is an arithmetic number, because the mean of its divisors is an integer number (16123100).

Almost surely, 2149253732 is an apocalyptic number.

149253732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149253732 is an abundant number, since it is smaller than the sum of its proper divisors (237700668).

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

149253732 is a wasteful number, since it uses less digits than its factorization.

149253732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381992 (or 1381984 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 149253732 is about 12216.9444625078. The cubic root of 149253732 is about 530.4466769593.

The spelling of 149253732 in words is "one hundred forty-nine million, two hundred fifty-three thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1381979 2763958 4145937 5527916 8291874 12437811 16583748 24875622 37313433 49751244 74626866 149253732