Base | Representation |
---|---|
bin | 1100010011110… |
… | …1001111001110 |
3 | 10121011010111021 |
4 | 3010331033032 |
5 | 101204143204 |
6 | 5042344354 |
7 | 1164566566 |
oct | 304751716 |
9 | 117133437 |
10 | 51631054 |
11 | 271651a2 |
12 | 1535b0ba |
13 | a909927 |
14 | 6bddda6 |
15 | 47ed154 |
hex | 313d3ce |
51631054 has 16 divisors (see below), whose sum is σ = 79536240. Its totient is φ = 25122240.
The previous prime is 51631039. The next prime is 51631061. The reversal of 51631054 is 45013615.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59677 + ... + 60535.
It is an arithmetic number, because the mean of its divisors is an integer number (4971015).
Almost surely, 251631054 is an apocalyptic number.
51631054 is a deficient number, since it is larger than the sum of its proper divisors (27905186).
51631054 is a wasteful number, since it uses less digits than its factorization.
51631054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1635.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 51631054 is about 7185.4752104506. The cubic root of 51631054 is about 372.3662664235.
Adding to 51631054 its reverse (45013615), we get a palindrome (96644669).
The spelling of 51631054 in words is "fifty-one million, six hundred thirty-one thousand, fifty-four".
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