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149345312 = 254667041
BaseRepresentation
bin10001110011011…
…01010000100000
3101102000112020212
420321231100200
5301213022222
622452553252
73462262034
oct1071552040
9342015225
10149345312
1177335386
1242022828
1324c2cc0c
1415b981c4
15d1a06e2
hex8e6d420

149345312 has 12 divisors (see below), whose sum is σ = 294023646. Its totient is φ = 74672640.

The previous prime is 149345309. The next prime is 149345347. The reversal of 149345312 is 213543941.

It can be written as a sum of positive squares in only one way, i.e., 139334416 + 10010896 = 11804^2 + 3164^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4667041 = 149345312 / (1 + 4 + 9 + 3 + 4 + 5 + 3 + 1 + 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 as a sum of consecutive naturals, namely, 2333489 + ... + 2333552.

Almost surely, 2149345312 is an apocalyptic number.

It is an amenable number.

149345312 is a deficient number, since it is larger than the sum of its proper divisors (144678334).

149345312 is an equidigital number, since it uses as much as digits as its factorization.

149345312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667051 (or 4667043 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 149345312 is about 12220.6919607688. The cubic root of 149345312 is about 530.5551463283. Note that the first 3 decimals are identical.

The spelling of 149345312 in words is "one hundred forty-nine million, three hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 4667041 9334082 18668164 37336328 74672656 149345312