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136478474 = 21143891621
BaseRepresentation
bin10000010001001…
…11111100001010
3100111210211021022
420020213330022
5234414302344
621313112442
73245022266
oct1010477412
9314724238
10136478474
1170047330
1239858722
13223764c2
14141a90a6
15bead0ee
hex8227f0a

136478474 has 32 divisors (see below), whose sum is σ = 231232320. Its totient is φ = 59875200.

The previous prime is 136478471. The next prime is 136478491. The reversal of 136478474 is 474874631.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136478471) 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, 83384 + ... + 85004.

It is an arithmetic number, because the mean of its divisors is an integer number (7226010).

Almost surely, 2136478474 is an apocalyptic number.

136478474 is a deficient number, since it is larger than the sum of its proper divisors (94753846).

136478474 is a wasteful number, since it uses less digits than its factorization.

136478474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its digits is 451584, while the sum is 44.

The square root of 136478474 is about 11682.4001814696. The cubic root of 136478474 is about 514.8586962695.

The spelling of 136478474 in words is "one hundred thirty-six million, four hundred seventy-eight thousand, four hundred seventy-four".

Divisors: 1 2 11 22 43 86 89 178 473 946 979 1621 1958 3242 3827 7654 17831 35662 42097 69703 84194 139406 144269 288538 766733 1533466 1586959 3173918 6203567 12407134 68239237 136478474