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149918125 = 54734267
BaseRepresentation
bin10001110111110…
…01000110101101
3101110002122000011
420323321012231
5301334340000
622513133221
73500166040
oct1073710655
9343078004
10149918125
1177696785
124225a211
13250a0866
1415ca6c57
15d2652ba
hex8ef91ad

149918125 has 20 divisors (see below), whose sum is σ = 214106464. Its totient is φ = 102798000.

The previous prime is 149918107. The next prime is 149918143. The reversal of 149918125 is 521819941.

It is an interprime number because it is at equal distance from previous prime (149918107) and next prime (149918143).

It is not a de Polignac number, because 149918125 - 29 = 149917613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12759 + ... + 21508.

Almost surely, 2149918125 is an apocalyptic number.

It is an amenable number.

149918125 is a deficient number, since it is larger than the sum of its proper divisors (64188339).

149918125 is an frugal number, since it uses more digits than its factorization.

149918125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34294 (or 34279 counting only the distinct ones).

The product of its digits is 25920, while the sum is 40.

The square root of 149918125 is about 12244.1057247967. The cubic root of 149918125 is about 531.2325945855.

The spelling of 149918125 in words is "one hundred forty-nine million, nine hundred eighteen thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 34267 171335 239869 856675 1199345 4283375 5996725 21416875 29983625 149918125