Base | Representation |
---|---|
bin | 11110001111111… |
… | …01100100000100 |
3 | 122200110121021020 |
4 | 33013331210010 |
5 | 1004424323122 |
6 | 41102351140 |
7 | 6200541354 |
oct | 1707754404 |
9 | 580417236 |
10 | 253745412 |
11 | 120261758 |
12 | 70b8b4b0 |
13 | 4075441b |
14 | 259b2b64 |
15 | 17423c5c |
hex | f1fd904 |
253745412 has 12 divisors (see below), whose sum is σ = 592072656. Its totient is φ = 84581800.
The previous prime is 253745381. The next prime is 253745413. The reversal of 253745412 is 214547352.
253745412 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×2537454122 = 128773468222099488, which contains 22 as substring.
253745412 is strictly pandigital in base 9.
It is not an unprimeable number, because it can be changed into a prime (253745413) 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, 10572714 + ... + 10572737.
It is an arithmetic number, because the mean of its divisors is an integer number (49339388).
Almost surely, 2253745412 is an apocalyptic number.
It is an amenable number.
253745412 is an abundant number, since it is smaller than the sum of its proper divisors (338327244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253745412 is a wasteful number, since it uses less digits than its factorization.
253745412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21145458 (or 21145456 counting only the distinct ones).
The product of its digits is 33600, while the sum is 33.
The square root of 253745412 is about 15929.3883121732. The cubic root of 253745412 is about 633.0908928626.
The spelling of 253745412 in words is "two hundred fifty-three million, seven hundred forty-five thousand, four hundred twelve".
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