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136413672 = 233371491031
BaseRepresentation
bin10000010000110…
…00000111101000
3100111200112101020
420020120013220
5234410214142
621311452440
73244332333
oct1010300750
9314615336
10136413672
117000267a
1239827120
1322352b65
141418d61a
15be98cec
hex82181e8

136413672 has 64 divisors (see below), whose sum is σ = 352944000. Its totient is φ = 43902720.

The previous prime is 136413643. The next prime is 136413677. The reversal of 136413672 is 276314631.

It is not an unprimeable number, because it can be changed into a prime (136413677) 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, 131797 + ... + 132827.

It is an arithmetic number, because the mean of its divisors is an integer number (5514750).

Almost surely, 2136413672 is an apocalyptic number.

136413672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136413672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176472000).

136413672 is an abundant number, since it is smaller than the sum of its proper divisors (216530328).

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

136413672 is a wasteful number, since it uses less digits than its factorization.

136413672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1222 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 136413672 is about 11679.6263638868. The cubic root of 136413672 is about 514.7771958584. Note that the first 3 decimals are identical.

The spelling of 136413672 in words is "one hundred thirty-six million, four hundred thirteen thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 149 222 296 298 444 447 596 888 894 1031 1192 1788 2062 3093 3576 4124 5513 6186 8248 11026 12372 16539 22052 24744 33078 38147 44104 66156 76294 114441 132312 152588 153619 228882 305176 307238 457764 460857 614476 915528 921714 1228952 1843428 3686856 5683903 11367806 17051709 22735612 34103418 45471224 68206836 136413672