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136788 = 22311399
BaseRepresentation
bin100001011001010100
320221122020
4201121110
513334123
62533140
71106541
oct413124
9227566
10136788
1193853
12671b0
134a352
1437bc8
152a7e3
hex21654

136788 has 12 divisors (see below), whose sum is σ = 319200. Its totient is φ = 45592.

The previous prime is 136777. The next prime is 136811. The reversal of 136788 is 887631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a congruent number.

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, 5688 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (26600).

2136788 is an apocalyptic number.

It is an amenable number.

136788 is an abundant number, since it is smaller than the sum of its proper divisors (182412).

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

136788 is a wasteful number, since it uses less digits than its factorization.

136788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406 (or 11404 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 136788 is about 369.8486176803. The cubic root of 136788 is about 51.5247626540.

The spelling of 136788 in words is "one hundred thirty-six thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 11399 22798 34197 45596 68394 136788