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136248260 = 2256812413
BaseRepresentation
bin10000001111011…
…11101111000100
3100111101010110212
420013233233010
5234334421020
621304134552
73243043151
oct1007575704
9314333425
10136248260
116a9aa375
1239767458
13222c5795
1414149228
15be64cc5
hex81efbc4

136248260 has 12 divisors (see below), whose sum is σ = 286121388. Its totient is φ = 54499296.

The previous prime is 136248257. The next prime is 136248263. The reversal of 136248260 is 62842631.

It is an interprime number because it is at equal distance from previous prime (136248257) and next prime (136248263).

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 81577024 = 7394^2 + 9032^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136248263) 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, 3406187 + ... + 3406226.

It is an arithmetic number, because the mean of its divisors is an integer number (23843449).

Almost surely, 2136248260 is an apocalyptic number.

136248260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136248260 is an abundant number, since it is smaller than the sum of its proper divisors (149873128).

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

136248260 is a wasteful number, since it uses less digits than its factorization.

136248260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812422 (or 6812420 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 136248260 is about 11672.5429962798. The cubic root of 136248260 is about 514.5690428081.

The spelling of 136248260 in words is "one hundred thirty-six million, two hundred forty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 6812413 13624826 27249652 34062065 68124130 136248260