Base | Representation |
---|---|
bin | 111010010111101… |
… | …100101100111011 |
3 | 2112020201010121210 |
4 | 322113230230323 |
5 | 4001144302224 |
6 | 241101334203 |
7 | 33160556424 |
oct | 7227545473 |
9 | 2466633553 |
10 | 979290939 |
11 | 462869860 |
12 | 233b67363 |
13 | 127b690c3 |
14 | 940ba64b |
15 | 5ae90429 |
hex | 3a5ecb3b |
979290939 has 16 divisors (see below), whose sum is σ = 1430709120. Its totient is φ = 590890560.
The previous prime is 979290887. The next prime is 979290959. The reversal of 979290939 is 939092979.
It is not a de Polignac number, because 979290939 - 27 = 979290811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (979290959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57874 + ... + 72855.
It is an arithmetic number, because the mean of its divisors is an integer number (89419320).
Almost surely, 2979290939 is an apocalyptic number.
979290939 is a deficient number, since it is larger than the sum of its proper divisors (451418181).
979290939 is a wasteful number, since it uses less digits than its factorization.
979290939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130970.
The product of its (nonzero) digits is 2480058, while the sum is 57.
The square root of 979290939 is about 31293.6245743442. The cubic root of 979290939 is about 993.0487720569.
The spelling of 979290939 in words is "nine hundred seventy-nine million, two hundred ninety thousand, nine hundred thirty-nine".
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