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136919424 = 273356561
BaseRepresentation
bin10000010100100…
…11100110000000
3100112122020010210
420022103212000
5240022410144
621330354120
73251536665
oct1012234600
9315566123
10136919424
1170318654
1239a2b940
132249c115
1414281a6c
15c048ab9
hex8293980

136919424 has 32 divisors (see below), whose sum is σ = 363693240. Its totient is φ = 45639680.

The previous prime is 136919423. The next prime is 136919429. The reversal of 136919424 is 424919631.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136919423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177897 + ... + 178664.

Almost surely, 2136919424 is an apocalyptic number.

It is an amenable number.

136919424 is an abundant number, since it is smaller than the sum of its proper divisors (226773816).

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

136919424 is an equidigital number, since it uses as much as digits as its factorization.

136919424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356578 (or 356566 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 136919424 is about 11701.2573683344. The cubic root of 136919424 is about 515.4125879615.

The spelling of 136919424 in words is "one hundred thirty-six million, nine hundred nineteen thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 356561 713122 1069683 1426244 2139366 2852488 4278732 5704976 8557464 11409952 17114928 22819904 34229856 45639808 68459712 136919424