Base | Representation |
---|---|
bin | 11110010001001… |
… | …10111100001110 |
3 | 122200210012202100 |
4 | 33020212330032 |
5 | 1010000234034 |
6 | 41110135530 |
7 | 6202145442 |
oct | 1710467416 |
9 | 580705670 |
10 | 253914894 |
11 | 120368022 |
12 | 710515a6 |
13 | 407b35cc |
14 | 25a18822 |
15 | 17459099 |
hex | f226f0e |
253914894 has 48 divisors (see below), whose sum is σ = 593892000. Its totient is φ = 78163008.
The previous prime is 253914883. The next prime is 253914961. The reversal of 253914894 is 498419352.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432 + ... + 22580.
It is an arithmetic number, because the mean of its divisors is an integer number (12372750).
Almost surely, 2253914894 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253914894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296946000).
253914894 is an abundant number, since it is smaller than the sum of its proper divisors (339977106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253914894 is a wasteful number, since it uses less digits than its factorization.
253914894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21209 (or 21206 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The square root of 253914894 is about 15934.7072141285. The cubic root of 253914894 is about 633.2318131521.
The spelling of 253914894 in words is "two hundred fifty-three million, nine hundred fourteen thousand, eight hundred ninety-four".
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