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149493512 = 23721722433
BaseRepresentation
bin10001110100100…
…01011100001000
3101102022001112202
420322101130020
5301232243022
622500055332
73463450100
oct1072213410
9342261482
10149493512
1177426763
1242094548
1324c824cc
1415bd6200
15d1ce592
hex8e91708

149493512 has 48 divisors (see below), whose sum is σ = 345259260. Its totient is φ = 60297216.

The previous prime is 149493497. The next prime is 149493569. The reversal of 149493512 is 215394941.

149493512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128278276 + 21215236 = 11326^2 + 4606^2 .

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 11 ways as a sum of consecutive naturals, for example, 4553 + ... + 17880.

Almost surely, 2149493512 is an apocalyptic number.

It is an amenable number.

149493512 is an abundant number, since it is smaller than the sum of its proper divisors (195765748).

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

149493512 is a wasteful number, since it uses less digits than its factorization.

149493512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22470 (or 22459 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 149493512 is about 12226.7539437089. The cubic root of 149493512 is about 530.7305837704.

The spelling of 149493512 in words is "one hundred forty-nine million, four hundred ninety-three thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 17 28 34 49 56 68 98 119 136 196 238 392 476 833 952 1666 3332 6664 22433 44866 89732 157031 179464 314062 381361 628124 762722 1099217 1256248 1525444 2198434 2669527 3050888 4396868 5339054 8793736 10678108 18686689 21356216 37373378 74746756 149493512