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149639604 = 22331433929
BaseRepresentation
bin10001110101101…
…01000110110100
3101102120110221120
420322311012310
5301301431404
622503143540
73464626032
oct1072650664
9342513846
10149639604
11775164a4
1242144bb0
1325003b5a
1415c33552
15d20c9d9
hex8eb51b4

149639604 has 48 divisors (see below), whose sum is σ = 361643520. Its totient is φ = 48107520.

The previous prime is 149639599. The next prime is 149639629. The reversal of 149639604 is 406936941.

149639604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1496396042 = 44784022170553632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160612 + ... + 161540.

It is an arithmetic number, because the mean of its divisors is an integer number (7534240).

Almost surely, 2149639604 is an apocalyptic number.

It is an amenable number.

149639604 is an abundant number, since it is smaller than the sum of its proper divisors (212003916).

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

149639604 is a wasteful number, since it uses less digits than its factorization.

149639604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 149639604 is about 12232.7267606205. The cubic root of 149639604 is about 530.9034123390.

The spelling of 149639604 in words is "one hundred forty-nine million, six hundred thirty-nine thousand, six hundred four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 433 866 929 1299 1732 1858 2598 2787 3716 5196 5574 11148 13423 26846 28799 40269 53692 57598 80538 86397 115196 161076 172794 345588 402257 804514 1206771 1609028 2413542 4827084 12469967 24939934 37409901 49879868 74819802 149639604