Base | Representation |
---|---|
bin | 11110001011110… |
… | …11011011010011 |
3 | 122122110112001222 |
4 | 33011323123103 |
5 | 1004310243441 |
6 | 41043115255 |
7 | 6163161326 |
oct | 1705733323 |
9 | 578415058 |
10 | 253212371 |
11 | 11aa28225 |
12 | 70972b2b |
13 | 405c8909 |
14 | 258b47bd |
15 | 1736ad4b |
hex | f17b6d3 |
253212371 has 8 divisors (see below), whose sum is σ = 262539264. Its totient is φ = 243957960.
The previous prime is 253212367. The next prime is 253212409. The reversal of 253212371 is 173212352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253212371 - 22 = 253212367 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 253212371.
It is not an unprimeable number, because it can be changed into a prime (253212361) 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, 10955 + ... + 25028.
It is an arithmetic number, because the mean of its divisors is an integer number (32817408).
Almost surely, 2253212371 is an apocalyptic number.
253212371 is a deficient number, since it is larger than the sum of its proper divisors (9326893).
253212371 is a wasteful number, since it uses less digits than its factorization.
253212371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36241.
The product of its digits is 2520, while the sum is 26.
The square root of 253212371 is about 15912.6481454219. The cubic root of 253212371 is about 632.6472723870.
The spelling of 253212371 in words is "two hundred fifty-three million, two hundred twelve thousand, three hundred seventy-one".
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