Base | Representation |
---|---|
bin | 110110111000001… |
… | …010000100011010 |
3 | 2101011102221120120 |
4 | 312320022010122 |
5 | 3341144102340 |
6 | 231205334110 |
7 | 31546513143 |
oct | 6670120432 |
9 | 2334387516 |
10 | 920690970 |
11 | 432784831 |
12 | 218407336 |
13 | 11898c474 |
14 | 8a3c4aca |
15 | 55c674d0 |
hex | 36e0a11a |
920690970 has 32 divisors (see below), whose sum is σ = 2217220992. Its totient is φ = 244677312.
The previous prime is 920690963. The next prime is 920691001. The reversal of 920690970 is 79096029.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43582 + ... + 61161.
It is an arithmetic number, because the mean of its divisors is an integer number (69288156).
Almost surely, 2920690970 is an apocalyptic number.
920690970 is an abundant number, since it is smaller than the sum of its proper divisors (1296530022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
920690970 is a wasteful number, since it uses less digits than its factorization.
920690970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105046.
The product of its (nonzero) digits is 61236, while the sum is 42.
The square root of 920690970 is about 30342.8899414673. The cubic root of 920690970 is about 972.8322543086.
The spelling of 920690970 in words is "nine hundred twenty million, six hundred ninety thousand, nine hundred seventy".
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