Base | Representation |
---|---|
bin | 11110010110101… |
… | …10010000100000 |
3 | 122202010200210120 |
4 | 33023112100200 |
5 | 1010141223432 |
6 | 41133400240 |
7 | 6211226145 |
oct | 1713262040 |
9 | 582120716 |
10 | 254632992 |
11 | 120808599 |
12 | 71339080 |
13 | 409a5413 |
14 | 25b643cc |
15 | 1754bc2c |
hex | f2d6420 |
254632992 has 48 divisors (see below), whose sum is σ = 691467840. Its totient is φ = 81949952.
The previous prime is 254632949. The next prime is 254632993. The reversal of 254632992 is 299236452.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×2546329922 = 129675921229744128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (254632993) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42948 + ... + 48515.
It is an arithmetic number, because the mean of its divisors is an integer number (14405580).
Almost surely, 2254632992 is an apocalyptic number.
It is an amenable number.
254632992 is an abundant number, since it is smaller than the sum of its proper divisors (436834848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254632992 is a wasteful number, since it uses less digits than its factorization.
254632992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91505 (or 91497 counting only the distinct ones).
The product of its digits is 233280, while the sum is 42.
The square root of 254632992 is about 15957.2238186973. The cubic root of 254632992 is about 633.8281999913.
The spelling of 254632992 in words is "two hundred fifty-four million, six hundred thirty-two thousand, nine hundred ninety-two".
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