Base | Representation |
---|---|
bin | 11110001011110… |
… | …11010110010011 |
3 | 122122110111122010 |
4 | 33011323112103 |
5 | 1004310241201 |
6 | 41043114003 |
7 | 6163160361 |
oct | 1705732623 |
9 | 578414563 |
10 | 253212051 |
11 | 11aa27a64 |
12 | 70972903 |
13 | 405c8721 |
14 | 258b4631 |
15 | 1736abd6 |
hex | f17b593 |
253212051 has 16 divisors (see below), whose sum is σ = 341452800. Its totient is φ = 166900800.
The previous prime is 253212049. The next prime is 253212067. The reversal of 253212051 is 150212352.
It is not a de Polignac number, because 253212051 - 21 = 253212049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (253212041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104350 + ... + 106748.
It is an arithmetic number, because the mean of its divisors is an integer number (21340800).
Almost surely, 2253212051 is an apocalyptic number.
253212051 is a deficient number, since it is larger than the sum of its proper divisors (88240749).
253212051 is a wasteful number, since it uses less digits than its factorization.
253212051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2786.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 253212051 is about 15912.6380905241. The cubic root of 253212051 is about 632.6470058819.
It can be divided in two parts, 25321 and 2051, that added together give a palindrome (27372).
The spelling of 253212051 in words is "two hundred fifty-three million, two hundred twelve thousand, fifty-one".
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