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149086128 = 2433105961
BaseRepresentation
bin10001110001011…
…01111110110000
3101101112100201110
420320231332300
5301131224003
622443233320
73460132302
oct1070557660
9341470643
10149086128
1177178684
1241b18840
1324b6bc59
1415b2b972
15d14da03
hex8e2dfb0

149086128 has 20 divisors (see below), whose sum is σ = 385139288. Its totient is φ = 49695360.

The previous prime is 149086123. The next prime is 149086139. The reversal of 149086128 is 821680941.

It is not an unprimeable number, because it can be changed into a prime (149086123) 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, 1552933 + ... + 1553028.

Almost surely, 2149086128 is an apocalyptic number.

It is an amenable number.

149086128 is an abundant number, since it is smaller than the sum of its proper divisors (236053160).

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

149086128 is a wasteful number, since it uses less digits than its factorization.

149086128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105972 (or 3105966 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 149086128 is about 12210.0830464006. The cubic root of 149086128 is about 530.2480481256.

The spelling of 149086128 in words is "one hundred forty-nine million, eighty-six thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 3105961 6211922 9317883 12423844 18635766 24847688 37271532 49695376 74543064 149086128