Base | Representation |
---|---|
bin | 11110001010001… |
… | …00001001000100 |
3 | 122122001000110001 |
4 | 33011010021010 |
5 | 1004231022144 |
6 | 41034211044 |
7 | 6161226202 |
oct | 1705041104 |
9 | 578030401 |
10 | 252985924 |
11 | 11a893084 |
12 | 70883a84 |
13 | 40549819 |
14 | 25856072 |
15 | 17323bd4 |
hex | f144244 |
252985924 has 12 divisors (see below), whose sum is σ = 461974464. Its totient is φ = 120993224.
The previous prime is 252985921. The next prime is 252985933. The reversal of 252985924 is 429589252.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is not an unprimeable number, because it can be changed into a prime (252985921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374832 + ... + 1375015.
It is an arithmetic number, because the mean of its divisors is an integer number (38497872).
Almost surely, 2252985924 is an apocalyptic number.
It is an amenable number.
252985924 is a deficient number, since it is larger than the sum of its proper divisors (208988540).
252985924 is a wasteful number, since it uses less digits than its factorization.
252985924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2749874 (or 2749872 counting only the distinct ones).
The product of its digits is 518400, while the sum is 46.
The square root of 252985924 is about 15905.5312391633. The cubic root of 252985924 is about 632.4586246740.
The spelling of 252985924 in words is "two hundred fifty-two million, nine hundred eighty-five thousand, nine hundred twenty-four".
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