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134930979 = 3214992331
BaseRepresentation
bin10000000101011…
…10001000100011
3100101220012111200
420002232020203
5234020242404
621220012243
73225615531
oct1002561043
9311805450
10134930979
116a18a707
1239231083
1321c54021
1413cc5151
15bca4839
hex80ae223

134930979 has 6 divisors (see below), whose sum is σ = 194900316. Its totient is φ = 89953980.

The previous prime is 134930969. The next prime is 134930987. The reversal of 134930979 is 979039431.

It is not a de Polignac number, because 134930979 - 211 = 134928931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134930969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7496157 + ... + 7496174.

It is an arithmetic number, because the mean of its divisors is an integer number (32483386).

Almost surely, 2134930979 is an apocalyptic number.

134930979 is a deficient number, since it is larger than the sum of its proper divisors (59969337).

134930979 is a wasteful number, since it uses less digits than its factorization.

134930979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992337 (or 14992334 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 134930979 is about 11615.9794679571. The cubic root of 134930979 is about 512.9053437293.

The spelling of 134930979 in words is "one hundred thirty-four million, nine hundred thirty thousand, nine hundred seventy-nine".

Divisors: 1 3 9 14992331 44976993 134930979