Base | Representation |
---|---|
bin | 11110010000101… |
… | …00000001001100 |
3 | 122200122021102202 |
4 | 33020110001030 |
5 | 1004440244023 |
6 | 41104341032 |
7 | 6201403460 |
oct | 1710240114 |
9 | 580567382 |
10 | 253837388 |
11 | 120314872 |
12 | 71014778 |
13 | 4078724c |
14 | 259d84a0 |
15 | 17441128 |
hex | f21404c |
253837388 has 24 divisors (see below), whose sum is σ = 508124064. Its totient is φ = 108691200.
The previous prime is 253837379. The next prime is 253837391. The reversal of 253837388 is 883738352.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34778 + ... + 41438.
It is an arithmetic number, because the mean of its divisors is an integer number (21171836).
Almost surely, 2253837388 is an apocalyptic number.
253837388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
253837388 is an abundant number, since it is smaller than the sum of its proper divisors (254286676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253837388 is a wasteful number, since it uses less digits than its factorization.
253837388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8033 (or 8031 counting only the distinct ones).
The product of its digits is 967680, while the sum is 47.
The square root of 253837388 is about 15932.2750415626. The cubic root of 253837388 is about 633.1673765231.
The spelling of 253837388 in words is "two hundred fifty-three million, eight hundred thirty-seven thousand, three hundred eighty-eight".
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