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136308468 = 22329391691
BaseRepresentation
bin10000001111111…
…10011011110100
3100111111012001210
420013332123310
5234343332333
621305321420
73243413532
oct1007763364
9314435053
10136308468
116aa4062a
1239796270
1322316cca
1414163152
15be77a63
hex81fe6f4

136308468 has 24 divisors (see below), whose sum is σ = 329021280. Its totient is φ = 43869280.

The previous prime is 136308461. The next prime is 136308539. The reversal of 136308468 is 864803631.

It is a super-3 number, since 3×1363084683 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136308461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195498 + ... + 196193.

It is an arithmetic number, because the mean of its divisors is an integer number (13709220).

Almost surely, 2136308468 is an apocalyptic number.

It is an amenable number.

136308468 is an abundant number, since it is smaller than the sum of its proper divisors (192712812).

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

136308468 is a wasteful number, since it uses less digits than its factorization.

136308468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391727 (or 391725 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 136308468 is about 11675.1217552538. The cubic root of 136308468 is about 514.6448275325.

The spelling of 136308468 in words is "one hundred thirty-six million, three hundred eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 391691 783382 1175073 1566764 2350146 4700292 11359039 22718078 34077117 45436156 68154234 136308468