Base | Representation |
---|---|
bin | 1100001111001… |
… | …0100110100111 |
3 | 10120120121010221 |
4 | 3003302212213 |
5 | 101114402401 |
6 | 5032025211 |
7 | 1162154410 |
oct | 303624647 |
9 | 116517127 |
10 | 51325351 |
11 | 26a76550 |
12 | 15232207 |
13 | a83073c |
14 | 6b60807 |
15 | 478c7a1 |
hex | 30f29a7 |
51325351 has 32 divisors (see below), whose sum is σ = 67857408. Its totient is φ = 37635840.
The previous prime is 51325349. The next prime is 51325361. The reversal of 51325351 is 15352315.
It is not a de Polignac number, because 51325351 - 21 = 51325349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51325301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129085 + ... + 129481.
It is an arithmetic number, because the mean of its divisors is an integer number (2120544).
Almost surely, 251325351 is an apocalyptic number.
51325351 is a deficient number, since it is larger than the sum of its proper divisors (16532057).
51325351 is a wasteful number, since it uses less digits than its factorization.
51325351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511.
The product of its digits is 2250, while the sum is 25.
The square root of 51325351 is about 7164.1713407763. The cubic root of 51325351 is about 371.6298950351.
Adding to 51325351 its reverse (15352315), we get a palindrome (66677666).
The spelling of 51325351 in words is "fifty-one million, three hundred twenty-five thousand, three hundred fifty-one".
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