Base | Representation |
---|---|
bin | 11110001111011… |
… | …11100100011000 |
3 | 122200100200122010 |
4 | 33013233210120 |
5 | 1004421004323 |
6 | 41101225520 |
7 | 6200212263 |
oct | 1707574430 |
9 | 580320563 |
10 | 253688088 |
11 | 120222685 |
12 | 70b622a0 |
13 | 407342c4 |
14 | 25999cda |
15 | 17411c93 |
hex | f1ef918 |
253688088 has 32 divisors (see below), whose sum is σ = 639221760. Its totient is φ = 83895840.
The previous prime is 253688069. The next prime is 253688101. The reversal of 253688088 is 880886352.
It is a congruent number.
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, 38568 + ... + 44663.
It is an arithmetic number, because the mean of its divisors is an integer number (19975680).
Almost surely, 2253688088 is an apocalyptic number.
It is an amenable number.
253688088 is an abundant number, since it is smaller than the sum of its proper divisors (385533672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253688088 is a wasteful number, since it uses less digits than its factorization.
253688088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83367 (or 83363 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 48.
The square root of 253688088 is about 15927.5888947449. The cubic root of 253688088 is about 633.0432151065.
The spelling of 253688088 in words is "two hundred fifty-three million, six hundred eighty-eight thousand, eighty-eight".
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