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136839352 = 23131976679
BaseRepresentation
bin10000010100000…
…00000010111000
3100112111011022011
420022000002320
5240012324402
621324535304
73251054356
oct1012000270
9315434264
10136839352
1170273481
12399b1534
1322471840
14142607d6
15c02eed7
hex82800b8

136839352 has 32 divisors (see below), whose sum is σ = 277754400. Its totient is φ = 62826624.

The previous prime is 136839347. The next prime is 136839359. The reversal of 136839352 is 253938631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136839359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17149 + ... + 23827.

It is an arithmetic number, because the mean of its divisors is an integer number (8679825).

Almost surely, 2136839352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136839352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138877200).

136839352 is an abundant number, since it is smaller than the sum of its proper divisors (140915048).

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

136839352 is a wasteful number, since it uses less digits than its factorization.

136839352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895 (or 6891 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 136839352 is about 11697.8353553125. The cubic root of 136839352 is about 515.3120953670.

The spelling of 136839352 in words is "one hundred thirty-six million, eight hundred thirty-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 197 394 788 1576 2561 5122 6679 10244 13358 20488 26716 53432 86827 173654 347308 694616 1315763 2631526 5263052 10526104 17104919 34209838 68419676 136839352