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136884938 = 2409167341
BaseRepresentation
bin10000010100010…
…11001011001010
3100112120110211112
420022023023022
5240020304223
621325530322
73251334311
oct1012131312
9315513745
10136884938
11702a4753
1239a139a2
1322489508
1414273278
15c03d778
hex828b2ca

136884938 has 8 divisors (see below), whose sum is σ = 205830660. Its totient is φ = 68274720.

The previous prime is 136884931. The next prime is 136884961. The reversal of 136884938 is 839488631.

It can be written as a sum of positive squares in 2 ways, for example, as 135187129 + 1697809 = 11627^2 + 1303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (136884931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82853 + ... + 84488.

Almost surely, 2136884938 is an apocalyptic number.

136884938 is a deficient number, since it is larger than the sum of its proper divisors (68945722).

136884938 is a wasteful number, since it uses less digits than its factorization.

136884938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167752.

The product of its digits is 995328, while the sum is 50.

The square root of 136884938 is about 11699.7836732138. The cubic root of 136884938 is about 515.3693118737.

The spelling of 136884938 in words is "one hundred thirty-six million, eight hundred eighty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 409 818 167341 334682 68442469 136884938