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136434272 = 2513327967
BaseRepresentation
bin10000010000111…
…01001001100000
3100111201120122012
420020131021200
5234411344042
621312132052
73244446362
oct1010351140
9314646565
10136434272
11700170a7
1239837028
132235c350
1414196d32
15be9ee82
hex821d260

136434272 has 24 divisors (see below), whose sum is σ = 289267776. Its totient is φ = 62969472.

The previous prime is 136434271. The next prime is 136434323. The reversal of 136434272 is 272434631.

It is a super-2 number, since 2×1364342722 = 37228621152339968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136434271) 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, 163568 + ... + 164399.

It is an arithmetic number, because the mean of its divisors is an integer number (12052824).

Almost surely, 2136434272 is an apocalyptic number.

It is an amenable number.

136434272 is an abundant number, since it is smaller than the sum of its proper divisors (152833504).

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

136434272 is a wasteful number, since it uses less digits than its factorization.

136434272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327990 (or 327982 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 136434272 is about 11680.5082081218. The cubic root of 136434272 is about 514.8031069379.

The spelling of 136434272 in words is "one hundred thirty-six million, four hundred thirty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 327967 655934 1311868 2623736 4263571 5247472 8527142 10494944 17054284 34108568 68217136 136434272