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136930928 = 2447182089
BaseRepresentation
bin10000010100101…
…10011001110000
3100112122210220212
420022112121300
5240023242203
621330523252
73251615351
oct1012263160
9315583825
10136930928
1170326262
1239a36528
13224a4424
1414285d28
15c04c1d8
hex8296670

136930928 has 20 divisors (see below), whose sum is σ = 270949920. Its totient is φ = 67008384.

The previous prime is 136930919. The next prime is 136930943. The reversal of 136930928 is 829039631.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 90293 + ... + 91796.

It is an arithmetic number, because the mean of its divisors is an integer number (13547496).

Almost surely, 2136930928 is an apocalyptic number.

It is an amenable number.

136930928 is a deficient number, since it is larger than the sum of its proper divisors (134018992).

136930928 is a wasteful number, since it uses less digits than its factorization.

136930928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182144 (or 182138 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 136930928 is about 11701.7489291131. The cubic root of 136930928 is about 515.4270225834.

The spelling of 136930928 in words is "one hundred thirty-six million, nine hundred thirty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 47 94 188 376 752 182089 364178 728356 1456712 2913424 8558183 17116366 34232732 68465464 136930928