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136903474 = 2192189617
BaseRepresentation
bin10000010100011…
…11101100110010
3100112121102021001
420022033230302
5240021402344
621330152214
73251442331
oct1012175462
9315542231
10136903474
1170307674
1239a2266a
1322494a96
1414279d18
15c043ed4
hex828fb32

136903474 has 12 divisors (see below), whose sum is σ = 216733374. Its totient is φ = 64848672.

The previous prime is 136903457. The next prime is 136903483. The reversal of 136903474 is 474309631.

It can be written as a sum of positive squares in only one way, i.e., 131262849 + 5640625 = 11457^2 + 2375^2 .

It is a super-2 number, since 2×1369034742 = 37485122386537352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94087 + ... + 95530.

Almost surely, 2136903474 is an apocalyptic number.

136903474 is a deficient number, since it is larger than the sum of its proper divisors (79829900).

136903474 is a wasteful number, since it uses less digits than its factorization.

136903474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189657 (or 189638 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 136903474 is about 11700.5757977973. The cubic root of 136903474 is about 515.3925733919.

The spelling of 136903474 in words is "one hundred thirty-six million, nine hundred three thousand, four hundred seventy-four".

Divisors: 1 2 19 38 361 722 189617 379234 3602723 7205446 68451737 136903474