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136906344 = 23322836719
BaseRepresentation
bin10000010100100…
…00011001101000
3100112121120012100
420022100121220
5240022000334
621330213400
73251453601
oct1012203150
9315546170
10136906344
1170309843
1239a24260
1322496193
141427ada8
15c044c99
hex8290668

136906344 has 48 divisors (see below), whose sum is σ = 372153600. Its totient is φ = 45467424.

The previous prime is 136906333. The next prime is 136906349. The reversal of 136906344 is 443609631.

136906344 is a `hidden beast` number, since 13 + 6 + 9 + 0 + 634 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 136906299 and 136906308.

It is not an unprimeable number, because it can be changed into a prime (136906349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17017 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (7753200).

Almost surely, 2136906344 is an apocalyptic number.

It is an amenable number.

136906344 is an abundant number, since it is smaller than the sum of its proper divisors (235247256).

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

136906344 is a wasteful number, since it uses less digits than its factorization.

136906344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 136906344 is about 11700.6984406915. The cubic root of 136906344 is about 515.3961748742.

The spelling of 136906344 in words is "one hundred thirty-six million, nine hundred six thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 283 566 849 1132 1698 2264 2547 3396 5094 6719 6792 10188 13438 20157 20376 26876 40314 53752 60471 80628 120942 161256 241884 483768 1901477 3802954 5704431 7605908 11408862 15211816 17113293 22817724 34226586 45635448 68453172 136906344