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136894086 = 23271086461
BaseRepresentation
bin10000010100011…
…01011010000110
3100112120221101100
420022031122012
5240021102321
621330040530
73251403060
oct1012153206
9315527340
10136894086
117030060a
1239a19146
1322490724
1414276730
15c041326
hex828d686

136894086 has 24 divisors (see below), whose sum is σ = 338976144. Its totient is φ = 39112560.

The previous prime is 136894049. The next prime is 136894097. The reversal of 136894086 is 680498631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543105 + ... + 543356.

It is an arithmetic number, because the mean of its divisors is an integer number (14124006).

Almost surely, 2136894086 is an apocalyptic number.

136894086 is an abundant number, since it is smaller than the sum of its proper divisors (202082058).

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

136894086 is a wasteful number, since it uses less digits than its factorization.

136894086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086476 (or 1086473 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 136894086 is about 11700.1746140816. The cubic root of 136894086 is about 515.3807923028.

The spelling of 136894086 in words is "one hundred thirty-six million, eight hundred ninety-four thousand, eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1086461 2172922 3259383 6518766 7605227 9778149 15210454 19556298 22815681 45631362 68447043 136894086