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134788308 = 22317660727
BaseRepresentation
bin10000000100010…
…11010011010100
3100101121221210120
420002023103110
5234001211213
621212551540
73224452554
oct1002132324
9311557716
10134788308
116a0a24a6
12391825b0
1321c040c5
1413c89164
15bc77423
hex808b4d4

134788308 has 24 divisors (see below), whose sum is σ = 333006912. Its totient is φ = 42286464.

The previous prime is 134788301. The next prime is 134788309. The reversal of 134788308 is 803887431.

It is a self number, because there is not a number n which added to its sum of digits gives 134788308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134788301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330160 + ... + 330567.

It is an arithmetic number, because the mean of its divisors is an integer number (13875288).

Almost surely, 2134788308 is an apocalyptic number.

It is an amenable number.

134788308 is an abundant number, since it is smaller than the sum of its proper divisors (198218604).

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

134788308 is a wasteful number, since it uses less digits than its factorization.

134788308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660751 (or 660749 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 134788308 is about 11609.8366913579. The cubic root of 134788308 is about 512.7245042971.

The spelling of 134788308 in words is "one hundred thirty-four million, seven hundred eighty-eight thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 660727 1321454 1982181 2642908 3964362 7928724 11232359 22464718 33697077 44929436 67394154 134788308