Base | Representation |
---|---|
bin | 11110001100101… |
… | …00001101110000 |
3 | 122122122200100110 |
4 | 33012110031300 |
5 | 1004322021104 |
6 | 41045221320 |
7 | 6164063334 |
oct | 1706241560 |
9 | 578580313 |
10 | 253313904 |
11 | 11aa97538 |
12 | 70a01840 |
13 | 40632bac |
14 | 258dd7c4 |
15 | 1738ae89 |
hex | f194370 |
253313904 has 80 divisors (see below), whose sum is σ = 694598400. Its totient is φ = 79377408.
The previous prime is 253313897. The next prime is 253313911. The reversal of 253313904 is 409313352.
It is an interprime number because it is at equal distance from previous prime (253313897) and next prime (253313911).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63192 + ... + 67080.
It is an arithmetic number, because the mean of its divisors is an integer number (8682480).
Almost surely, 2253313904 is an apocalyptic number.
253313904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253313904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347299200).
253313904 is an abundant number, since it is smaller than the sum of its proper divisors (441284496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253313904 is a wasteful number, since it uses less digits than its factorization.
253313904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3982 (or 3976 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 253313904 is about 15915.8381494661. The cubic root of 253313904 is about 632.7318206414.
The spelling of 253313904 in words is "two hundred fifty-three million, three hundred thirteen thousand, nine hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •