Base | Representation |
---|---|
bin | 11110010111111… |
… | …10010110111000 |
3 | 122202110001002211 |
4 | 33023332112320 |
5 | 1010212002430 |
6 | 41141104504 |
7 | 6212512045 |
oct | 1713762670 |
9 | 582401084 |
10 | 254797240 |
11 | 12090aa35 |
12 | 713b8134 |
13 | 40a320c9 |
14 | 25ba81cc |
15 | 1758072a |
hex | f2fe5b8 |
254797240 has 32 divisors (see below), whose sum is σ = 573781680. Its totient is φ = 101832192.
The previous prime is 254797237. The next prime is 254797271. The reversal of 254797240 is 42797452.
254797240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 254797193 and 254797202.
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, 67072 + ... + 70768.
Almost surely, 2254797240 is an apocalyptic number.
254797240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254797240 is an abundant number, since it is smaller than the sum of its proper divisors (318984440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254797240 is a wasteful number, since it uses less digits than its factorization.
254797240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5431 (or 5427 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 254797240 is about 15962.3694982919. The cubic root of 254797240 is about 633.9644518277.
The spelling of 254797240 in words is "two hundred fifty-four million, seven hundred ninety-seven thousand, two hundred forty".
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