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149438696 = 23111698167
BaseRepresentation
bin10001110100001…
…00000011101000
3101102012021100112
420322010003220
5301224014241
622454553452
73463131221
oct1072040350
9342167315
10149438696
1177399560
1242068888
1324c63584
1415bc0248
15d1bd1eb
hex8e840e8

149438696 has 16 divisors (see below), whose sum is σ = 305670240. Its totient is φ = 67926640.

The previous prime is 149438669. The next prime is 149438699. The reversal of 149438696 is 696834941.

It is not an unprimeable number, because it can be changed into a prime (149438699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848996 + ... + 849171.

It is an arithmetic number, because the mean of its divisors is an integer number (19104390).

Almost surely, 2149438696 is an apocalyptic number.

It is an amenable number.

149438696 is an abundant number, since it is smaller than the sum of its proper divisors (156231544).

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

149438696 is a wasteful number, since it uses less digits than its factorization.

149438696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698184 (or 1698180 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 149438696 is about 12224.5120966033. The cubic root of 149438696 is about 530.6657067425.

The spelling of 149438696 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, six hundred ninety-six".

Divisors: 1 2 4 8 11 22 44 88 1698167 3396334 6792668 13585336 18679837 37359674 74719348 149438696