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136601860 = 2256830093
BaseRepresentation
bin10000010010001…
…10000100000100
3100112001002112011
420021012010010
5234432224420
621315504004
73246045103
oct1011060404
9315032464
10136601860
1170120aaa
12398b8004
13223ba705
14141dc03a
15bed495a
hex8246104

136601860 has 12 divisors (see below), whose sum is σ = 286863948. Its totient is φ = 54640736.

The previous prime is 136601827. The next prime is 136601879. The reversal of 136601860 is 68106631.

It can be written as a sum of positive squares in 2 ways, for example, as 87909376 + 48692484 = 9376^2 + 6978^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415027 + ... + 3415066.

It is an arithmetic number, because the mean of its divisors is an integer number (23905329).

Almost surely, 2136601860 is an apocalyptic number.

136601860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136601860 is an abundant number, since it is smaller than the sum of its proper divisors (150262088).

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

136601860 is a wasteful number, since it uses less digits than its factorization.

136601860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830102 (or 6830100 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 136601860 is about 11687.6798381886. The cubic root of 136601860 is about 515.0138055180.

The spelling of 136601860 in words is "one hundred thirty-six million, six hundred one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 6830093 13660186 27320372 34150465 68300930 136601860