Base | Representation |
---|---|
bin | 11110001010011… |
… | …01101111111111 |
3 | 122122010000102122 |
4 | 33011031233333 |
5 | 1004233302104 |
6 | 41035113155 |
7 | 6161452013 |
oct | 1705155777 |
9 | 578100378 |
10 | 253025279 |
11 | 11a90a701 |
12 | 708a27bb |
13 | 40561700 |
14 | 25866543 |
15 | 173306be |
hex | f14dbff |
253025279 has 12 divisors (see below), whose sum is σ = 274908456. Its totient is φ = 232775712.
The previous prime is 253025273. The next prime is 253025281. The reversal of 253025279 is 972520352.
It is not a de Polignac number, because 253025279 - 28 = 253025023 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253025273) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51212 + ... + 55934.
It is an arithmetic number, because the mean of its divisors is an integer number (22909038).
Almost surely, 2253025279 is an apocalyptic number.
253025279 is a deficient number, since it is larger than the sum of its proper divisors (21883177).
253025279 is a wasteful number, since it uses less digits than its factorization.
253025279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5066 (or 5053 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 35.
The square root of 253025279 is about 15906.7683392951. The cubic root of 253025279 is about 632.4914184862.
The spelling of 253025279 in words is "two hundred fifty-three million, twenty-five thousand, two hundred seventy-nine".
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