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136274460 = 223571917077
BaseRepresentation
bin10000001111101…
…10001000011100
3100111102110102020
420013312020130
5234341240320
621304500140
73243212430
oct1007661034
9314373366
10136274460
116aa18023
123977a650
132230469a
14141549c0
15be6c940
hex81f621c

136274460 has 96 divisors (see below), whose sum is σ = 459056640. Its totient is φ = 29507328.

The previous prime is 136274443. The next prime is 136274461. The reversal of 136274460 is 64472631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136274461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (4781840).

Almost surely, 2136274460 is an apocalyptic number.

136274460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136274460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229528320).

136274460 is an abundant number, since it is smaller than the sum of its proper divisors (322782180).

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

136274460 is a wasteful number, since it uses less digits than its factorization.

136274460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17115 (or 17113 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 136274460 is about 11673.6652341927. The cubic root of 136274460 is about 514.6020238894.

The spelling of 136274460 in words is "one hundred thirty-six million, two hundred seventy-four thousand, four hundred sixty".