Base | Representation |
---|---|
bin | 11110010000100… |
… | …10011110001000 |
3 | 122200121221201221 |
4 | 33020102132020 |
5 | 1004440043143 |
6 | 41104251424 |
7 | 6201346132 |
oct | 1710223610 |
9 | 580557657 |
10 | 253831048 |
11 | 120310029 |
12 | 71010b74 |
13 | 407843b3 |
14 | 259d6052 |
15 | 1743e2ed |
hex | f212788 |
253831048 has 8 divisors (see below), whose sum is σ = 475933230. Its totient is φ = 126915520.
The previous prime is 253831043. The next prime is 253831049. The reversal of 253831048 is 840138352.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 192709924 + 61121124 = 13882^2 + 7818^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (253831043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15864433 + ... + 15864448.
Almost surely, 2253831048 is an apocalyptic number.
It is an amenable number.
253831048 is a deficient number, since it is larger than the sum of its proper divisors (222102182).
253831048 is a wasteful number, since it uses less digits than its factorization.
253831048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31728887 (or 31728883 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 253831048 is about 15932.0760731300. The cubic root of 253831048 is about 633.1621050189.
The spelling of 253831048 in words is "two hundred fifty-three million, eight hundred thirty-one thousand, forty-eight".
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