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136043934 = 23133156263
BaseRepresentation
bin10000001101111…
…01110110011110
3100110222202012020
420012331312132
5234311401214
621255521010
73241232355
oct1006756636
9313882166
10136043934
116a87a904
1239689166
1322253790
14140d499c
15be244a9
hex81bdd9e

136043934 has 32 divisors (see below), whose sum is σ = 302475264. Its totient is φ = 40508640.

The previous prime is 136043927. The next prime is 136043939. The reversal of 136043934 is 439340631.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136043895 and 136043904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136043939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25714 + ... + 30549.

It is an arithmetic number, because the mean of its divisors is an integer number (9452352).

Almost surely, 2136043934 is an apocalyptic number.

136043934 is an abundant number, since it is smaller than the sum of its proper divisors (166431330).

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

136043934 is a wasteful number, since it uses less digits than its factorization.

136043934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56312.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 136043934 is about 11663.7872922992. The cubic root of 136043934 is about 514.3116879960.

The spelling of 136043934 in words is "one hundred thirty-six million, forty-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 56263 112526 168789 337578 731419 1462838 1744153 2194257 3488306 4388514 5232459 10464918 22673989 45347978 68021967 136043934