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136873932 = 22313877397
BaseRepresentation
bin10000010100010…
…00011111001100
3100112112220201220
420022020133030
5240014431212
621325403340
73251260236
oct1012103714
9315486656
10136873932
1170297458
1239a09550
13224844c0
141426d256
15c03a38c
hex82887cc

136873932 has 24 divisors (see below), whose sum is σ = 343940016. Its totient is φ = 42115008.

The previous prime is 136873921. The next prime is 136873937. The reversal of 136873932 is 239378631.

It is a happy number.

It is a super-2 number, since 2×1368739322 = 37468946522281248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136873937) 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, 438543 + ... + 438854.

It is an arithmetic number, because the mean of its divisors is an integer number (14330834).

Almost surely, 2136873932 is an apocalyptic number.

136873932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136873932 is an abundant number, since it is smaller than the sum of its proper divisors (207066084).

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

136873932 is a wasteful number, since it uses less digits than its factorization.

136873932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877417 (or 877415 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 136873932 is about 11699.3133131821. The cubic root of 136873932 is about 515.3554990400.

The spelling of 136873932 in words is "one hundred thirty-six million, eight hundred seventy-three thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 877397 1754794 2632191 3509588 5264382 10528764 11406161 22812322 34218483 45624644 68436966 136873932