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136885404 = 22312499133
BaseRepresentation
bin10000010100010…
…11010010011100
3100112120111110210
420022023102130
5240020313104
621325532420
73251335545
oct1012132234
9315514423
10136885404
11702a5037
1239a14110
13224897a6
14142734cc
15c03d989
hex828b49c

136885404 has 24 divisors (see below), whose sum is σ = 319690000. Its totient is φ = 45586944.

The previous prime is 136885387. The next prime is 136885409. The reversal of 136885404 is 404588631.

It is a super-2 number, since 2×1368854042 = 37475227656486432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136885409) 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 7 ways as a sum of consecutive naturals, for example, 10422 + ... + 19554.

Almost surely, 2136885404 is an apocalyptic number.

It is an amenable number.

136885404 is an abundant number, since it is smaller than the sum of its proper divisors (182804596).

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

136885404 is a wasteful number, since it uses less digits than its factorization.

136885404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10387 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 136885404 is about 11699.8035880950. The cubic root of 136885404 is about 515.3698967003.

The spelling of 136885404 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, four hundred four".

Divisors: 1 2 3 4 6 12 1249 2498 3747 4996 7494 9133 14988 18266 27399 36532 54798 109596 11407117 22814234 34221351 45628468 68442702 136885404