Base | Representation |
---|---|
bin | 11110010001000… |
… | …10101000100111 |
3 | 122200202022120001 |
4 | 33020202220213 |
5 | 1004444203010 |
6 | 41105522131 |
7 | 6202043143 |
oct | 1710425047 |
9 | 580668501 |
10 | 253897255 |
11 | 120355847 |
12 | 71043347 |
13 | 407a8581 |
14 | 25a12223 |
15 | 17453c3a |
hex | f222a27 |
253897255 has 8 divisors (see below), whose sum is σ = 306273024. Its totient is φ = 202053600.
The previous prime is 253897229. The next prime is 253897277. The reversal of 253897255 is 552798352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 253897255 - 29 = 253896743 is a prime.
It is a Duffinian number.
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 7 ways as a sum of consecutive naturals, for example, 131976 + ... + 133885.
It is an arithmetic number, because the mean of its divisors is an integer number (38284128).
Almost surely, 2253897255 is an apocalyptic number.
253897255 is a deficient number, since it is larger than the sum of its proper divisors (52375769).
253897255 is a wasteful number, since it uses less digits than its factorization.
253897255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266057.
The product of its digits is 756000, while the sum is 46.
The square root of 253897255 is about 15934.1537271359. The cubic root of 253897255 is about 633.2171496633.
The spelling of 253897255 in words is "two hundred fifty-three million, eight hundred ninety-seven thousand, two hundred fifty-five".
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