Base | Representation |
---|---|
bin | 101100011010… |
… | …0100100000111 |
3 | 1121210221121110 |
4 | 1120310210013 |
5 | 21430041400 |
6 | 2151020103 |
7 | 401624211 |
oct | 130644407 |
9 | 47727543 |
10 | 23283975 |
11 | 12163660 |
12 | 796a633 |
13 | 4a93100 |
14 | 31415b1 |
15 | 209de50 |
hex | 1634907 |
23283975 has 72 divisors (see below), whose sum is σ = 45747072. Its totient is φ = 10358400.
The previous prime is 23283973. The next prime is 23283979. The reversal of 23283975 is 57938232.
It is not a de Polignac number, because 23283975 - 21 = 23283973 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23283971) by changing a digit.
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 71 ways as a sum of consecutive naturals, for example, 139342 + ... + 139508.
It is an arithmetic number, because the mean of its divisors is an integer number (635376).
Almost surely, 223283975 is an apocalyptic number.
23283975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23283975 is a deficient number, since it is larger than the sum of its proper divisors (22463097).
23283975 is a wasteful number, since it uses less digits than its factorization.
23283975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217 (or 199 counting only the distinct ones).
The product of its digits is 90720, while the sum is 39.
The square root of 23283975 is about 4825.3471377715. The cubic root of 23283975 is about 285.5523299397.
The spelling of 23283975 in words is "twenty-three million, two hundred eighty-three thousand, nine hundred seventy-five".
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