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136045438 = 22923310067
BaseRepresentation
bin10000001101111…
…10001101111110
3100110222211020221
420012332031332
5234311423223
621255531554
73241236634
oct1006761576
9313884227
10136045438
116a880a51
1239689bba
1322254379
14140d5354
15be24b5d
hex81be37e

136045438 has 16 divisors (see below), whose sum is σ = 212032080. Its totient is φ = 65388736.

The previous prime is 136045423. The next prime is 136045451. The reversal of 136045438 is 834540631.

It is a happy number.

It is a super-2 number, since 2×1360454382 = 37016722401223688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8481 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (13252005).

Almost surely, 2136045438 is an apocalyptic number.

136045438 is a deficient number, since it is larger than the sum of its proper divisors (75986642).

136045438 is a wasteful number, since it uses less digits than its factorization.

136045438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 136045438 is about 11663.8517651760. The cubic root of 136045438 is about 514.3135832708.

The spelling of 136045438 in words is "one hundred thirty-six million, forty-five thousand, four hundred thirty-eight".

Divisors: 1 2 29 58 233 466 6757 10067 13514 20134 291943 583886 2345611 4691222 68022719 136045438