Base | Representation |
---|---|
bin | 101100110001… |
… | …0000110111000 |
3 | 1122011102111112 |
4 | 1121202012320 |
5 | 22002024040 |
6 | 2155015452 |
7 | 403332113 |
oct | 131420670 |
9 | 48142445 |
10 | 23470520 |
11 | 12280827 |
12 | 7a3a588 |
13 | 4b29ca8 |
14 | 318d57a |
15 | 20d9365 |
hex | 16621b8 |
23470520 has 32 divisors (see below), whose sum is σ = 53809920. Its totient is φ = 9210240.
The previous prime is 23470493. The next prime is 23470549. The reversal of 23470520 is 2507432.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416 + ... + 7655.
It is an arithmetic number, because the mean of its divisors is an integer number (1681560).
Almost surely, 223470520 is an apocalyptic number.
23470520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23470520 is an abundant number, since it is smaller than the sum of its proper divisors (30339400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23470520 is a wasteful number, since it uses less digits than its factorization.
23470520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11135 (or 11131 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 23470520 is about 4844.6382733905. The cubic root of 23470520 is about 286.3128921133.
Adding to 23470520 its reverse (2507432), we get a palindrome (25977952).
The spelling of 23470520 in words is "twenty-three million, four hundred seventy thousand, five hundred twenty".
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