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149492392 = 2372669507
BaseRepresentation
bin10001110100100…
…01001010101000
3101102022000000021
420322101022220
5301232224032
622500050224
73463443610
oct1072211250
9342260007
10149492392
1177425935
1242093974
1324c81b4a
1415bd5a40
15d1ce097
hex8e912a8

149492392 has 16 divisors (see below), whose sum is σ = 320340960. Its totient is φ = 64068144.

The previous prime is 149492389. The next prime is 149492429. The reversal of 149492392 is 293294941.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1334698 + ... + 1334809.

It is an arithmetic number, because the mean of its divisors is an integer number (20021310).

Almost surely, 2149492392 is an apocalyptic number.

It is an amenable number.

149492392 is an abundant number, since it is smaller than the sum of its proper divisors (170848568).

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

149492392 is a wasteful number, since it uses less digits than its factorization.

149492392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669520 (or 2669516 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 149492392 is about 12226.7081424233. The cubic root of 149492392 is about 530.7292583623.

The spelling of 149492392 in words is "one hundred forty-nine million, four hundred ninety-two thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 2669507 5339014 10678028 18686549 21356056 37373098 74746196 149492392