Base | Representation |
---|---|
bin | 11110010001000… |
… | …11100010001001 |
3 | 122200202111121102 |
4 | 33020203202021 |
5 | 1004444312222 |
6 | 41105551145 |
7 | 6202056653 |
oct | 1710434211 |
9 | 580674542 |
10 | 253900937 |
11 | 120358594 |
12 | 710454b5 |
13 | 407aa154 |
14 | 25a136d3 |
15 | 17454d92 |
hex | f223889 |
253900937 has 4 divisors (see below), whose sum is σ = 253981200. Its totient is φ = 253820676.
The previous prime is 253900921. The next prime is 253900949. The reversal of 253900937 is 739009352.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 253900937 - 24 = 253900921 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 253900937.
It is not an unprimeable number, because it can be changed into a prime (253905937) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35183 + ... + 41780.
It is an arithmetic number, because the mean of its divisors is an integer number (63495300).
Almost surely, 2253900937 is an apocalyptic number.
It is an amenable number.
253900937 is a deficient number, since it is larger than the sum of its proper divisors (80263).
253900937 is an equidigital number, since it uses as much as digits as its factorization.
253900937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80262.
The product of its (nonzero) digits is 51030, while the sum is 38.
The square root of 253900937 is about 15934.2692647012. The cubic root of 253900937 is about 633.2202106053.
The spelling of 253900937 in words is "two hundred fifty-three million, nine hundred thousand, nine hundred thirty-seven".
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