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149495744 = 262335871
BaseRepresentation
bin10001110100100…
…01111111000000
3101102022011121102
420322101333000
5301232330434
622500113532
73463456436
oct1072217700
9342264542
10149495744
1177428402
12420958a8
1324c83528
1415bd6d56
15d1d007e
hex8e91fc0

149495744 has 14 divisors (see below), whose sum is σ = 296655744. Its totient is φ = 74747840.

The previous prime is 149495719. The next prime is 149495747. The reversal of 149495744 is 447594941.

It is a happy number.

It is a super-2 number, since 2×1494957442 = 44697954948227072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149495747) 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 as a sum of consecutive naturals, namely, 1167872 + ... + 1167999.

It is an arithmetic number, because the mean of its divisors is an integer number (21189696).

Almost surely, 2149495744 is an apocalyptic number.

It is an amenable number.

149495744 is a deficient number, since it is larger than the sum of its proper divisors (147160000).

149495744 is an equidigital number, since it uses as much as digits as its factorization.

149495744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335883 (or 2335873 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 149495744 is about 12226.8452186163. The cubic root of 149495744 is about 530.7332250997.

The spelling of 149495744 in words is "one hundred forty-nine million, four hundred ninety-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 2335871 4671742 9343484 18686968 37373936 74747872 149495744