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149135265 = 32531106907
BaseRepresentation
bin10001110001110…
…01111110100001
3101101121212010100
420320321332201
5301134312030
622444253013
73460425456
oct1070717641
9341555110
10149135265
1177201594
1241b41169
1324b88426
1415b4182d
15d15d360
hex8e39fa1

149135265 has 24 divisors (see below), whose sum is σ = 266842368. Its totient is φ = 76972320.

The previous prime is 149135263. The next prime is 149135279. The reversal of 149135265 is 562531941.

It is not a de Polignac number, because 149135265 - 21 = 149135263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149135263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52059 + ... + 54848.

It is an arithmetic number, because the mean of its divisors is an integer number (11118432).

Almost surely, 2149135265 is an apocalyptic number.

149135265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149135265 is a deficient number, since it is larger than the sum of its proper divisors (117707103).

149135265 is a wasteful number, since it uses less digits than its factorization.

149135265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106949 (or 106946 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 149135265 is about 12212.0950291095. The cubic root of 149135265 is about 530.3062961928.

The spelling of 149135265 in words is "one hundred forty-nine million, one hundred thirty-five thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 106907 320721 534535 962163 1603605 3314117 4810815 9942351 16570585 29827053 49711755 149135265