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136243156 = 2274865827
BaseRepresentation
bin10000001111011…
…10011111010100
3100111100212110211
420013232133110
5234334240111
621304055204
73243022240
oct1007563724
9314325424
10136243156
116a9a6555
1239764504
13222c336a
1414147420
15be63521
hex81ee7d4

136243156 has 12 divisors (see below), whose sum is σ = 272486368. Its totient is φ = 58389912.

The previous prime is 136243141. The next prime is 136243157. The reversal of 136243156 is 651342631.

136243156 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136243157) 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, 2432886 + ... + 2432941.

Almost surely, 2136243156 is an apocalyptic number.

It is an amenable number.

136243156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136243156 is a wasteful number, since it uses less digits than its factorization.

136243156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865838 (or 4865836 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 136243156 is about 11672.3243614972. The cubic root of 136243156 is about 514.5626172992.

Adding to 136243156 its reverse (651342631), we get a palindrome (787585787).

The spelling of 136243156 in words is "one hundred thirty-six million, two hundred forty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 4865827 9731654 19463308 34060789 68121578 136243156