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136078494 = 23191577603
BaseRepresentation
bin10000001110001…
…10010010011110
3100111001111121020
420013012102132
5234314002434
621300345010
73241435206
oct1007062236
9314044536
10136078494
116a8a3872
12396a5166
1322266426
1414103406
15be2e849
hex81c649e

136078494 has 32 divisors (see below), whose sum is σ = 288343680. Its totient is φ = 42692832.

The previous prime is 136078493. The next prime is 136078559. The reversal of 136078494 is 494870631.

It is a super-3 number, since 3×1360784943 (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 (136078493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14097 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (9010740).

Almost surely, 2136078494 is an apocalyptic number.

136078494 is an abundant number, since it is smaller than the sum of its proper divisors (152265186).

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

136078494 is a wasteful number, since it uses less digits than its factorization.

136078494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 136078494 is about 11665.2687067208. The cubic root of 136078494 is about 514.3552354650.

The spelling of 136078494 in words is "one hundred thirty-six million, seventy-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 157 314 471 942 2983 5966 7603 8949 15206 17898 22809 45618 144457 288914 433371 866742 1193671 2387342 3581013 7162026 22679749 45359498 68039247 136078494