Base | Representation |
---|---|
bin | 1100001101111… |
… | …0111110011001 |
3 | 10120102111212020 |
4 | 3003132332121 |
5 | 101104314303 |
6 | 5030205053 |
7 | 1161401124 |
oct | 303367631 |
9 | 116374766 |
10 | 51244953 |
11 | 26a21101 |
12 | 151b3789 |
13 | a802c76 |
14 | 6b3d3bb |
15 | 4773a53 |
hex | 30def99 |
51244953 has 16 divisors (see below), whose sum is σ = 74681856. Its totient is φ = 31115520.
The previous prime is 51244951. The next prime is 51245027. The reversal of 51244953 is 35944215.
It is not a de Polignac number, because 51244953 - 21 = 51244951 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51244951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14626 + ... + 17787.
It is an arithmetic number, because the mean of its divisors is an integer number (4667616).
Almost surely, 251244953 is an apocalyptic number.
It is an amenable number.
51244953 is a deficient number, since it is larger than the sum of its proper divisors (23436903).
51244953 is a wasteful number, since it uses less digits than its factorization.
51244953 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32464.
The product of its digits is 21600, while the sum is 33.
The square root of 51244953 is about 7158.5580251892. The cubic root of 51244953 is about 371.4357485159.
The spelling of 51244953 in words is "fifty-one million, two hundred forty-four thousand, nine hundred fifty-three".
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