Base | Representation |
---|---|
bin | 1110101101101… |
… | …00011111001000 |
3 | 22121020112001210 |
4 | 13112310133020 |
5 | 223044011124 |
6 | 20125213120 |
7 | 3026034561 |
oct | 726643710 |
9 | 277215053 |
10 | 123422664 |
11 | 6373a302 |
12 | 354011a0 |
13 | 1c754a81 |
14 | 1256b168 |
15 | ac7ea29 |
hex | 75b47c8 |
123422664 has 32 divisors (see below), whose sum is σ = 310993920. Its totient is φ = 40815936.
The previous prime is 123422659. The next prime is 123422671. The reversal of 123422664 is 466224321.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17199 + ... + 23294.
It is an arithmetic number, because the mean of its divisors is an integer number (9718560).
Almost surely, 2123422664 is an apocalyptic number.
It is an amenable number.
123422664 is an abundant number, since it is smaller than the sum of its proper divisors (187571256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123422664 is a wasteful number, since it uses less digits than its factorization.
123422664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40629 (or 40625 counting only the distinct ones).
The product of its digits is 13824, while the sum is 30.
The square root of 123422664 is about 11109.5753294174. The cubic root of 123422664 is about 497.8879766090.
Adding to 123422664 its reverse (466224321), we get a palindrome (589646985).
The spelling of 123422664 in words is "one hundred twenty-three million, four hundred twenty-two thousand, six hundred sixty-four".
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