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149711492 = 227101167317
BaseRepresentation
bin10001110110001…
…10101010000100
3101102201010120002
420323012222010
5301311231432
622504500432
73465345440
oct1073065204
9342633502
10149711492
1177565507
124217a718
132502a7a8
1415c51820
15d223e62
hex8ec6a84

149711492 has 48 divisors (see below), whose sum is σ = 305157888. Its totient is φ = 62947200.

The previous prime is 149711491. The next prime is 149711519. The reversal of 149711492 is 294117941.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (149711491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472118 + ... + 472434.

It is an arithmetic number, because the mean of its divisors is an integer number (6357456).

Almost surely, 2149711492 is an apocalyptic number.

It is an amenable number.

149711492 is an abundant number, since it is smaller than the sum of its proper divisors (155446396).

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

149711492 is a wasteful number, since it uses less digits than its factorization.

149711492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 149711492 is about 12235.6647551328. The cubic root of 149711492 is about 530.9884154029.

The spelling of 149711492 in words is "one hundred forty-nine million, seven hundred eleven thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 101 167 202 317 334 404 634 668 707 1169 1268 1414 2219 2338 2828 4438 4676 8876 16867 32017 33734 52939 64034 67468 105878 118069 128068 211756 224119 236138 370573 448238 472276 741146 896476 1482292 5346839 10693678 21387356 37427873 74855746 149711492