Base | Representation |
---|---|
bin | 11110010001000… |
… | …11111100100100 |
3 | 122200202120221001 |
4 | 33020203330210 |
5 | 1004444341003 |
6 | 41110003044 |
7 | 6202064620 |
oct | 1710437444 |
9 | 580676831 |
10 | 253902628 |
11 | 120359891 |
12 | 71046484 |
13 | 407aab55 |
14 | 25a14180 |
15 | 1745561d |
hex | f223f24 |
253902628 has 24 divisors (see below), whose sum is σ = 511689024. Its totient is φ = 107983200.
The previous prime is 253902613. The next prime is 253902629. The reversal of 253902628 is 826209352.
253902628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (253902629) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30943 + ... + 38278.
It is an arithmetic number, because the mean of its divisors is an integer number (21320376).
Almost surely, 2253902628 is an apocalyptic number.
253902628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
253902628 is an abundant number, since it is smaller than the sum of its proper divisors (257786396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253902628 is a wasteful number, since it uses less digits than its factorization.
253902628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69363 (or 69361 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 253902628 is about 15934.3223263495. The cubic root of 253902628 is about 633.2216163675.
The spelling of 253902628 in words is "two hundred fifty-three million, nine hundred two thousand, six hundred twenty-eight".
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