Base | Representation |
---|---|
bin | 1100011000110… |
… | …0111011011100 |
3 | 10121202201020200 |
4 | 3012030323130 |
5 | 101300114333 |
6 | 5053343500 |
7 | 1200426333 |
oct | 306147334 |
9 | 117681220 |
10 | 51957468 |
11 | 27368462 |
12 | 15497b90 |
13 | a9c2384 |
14 | 6c86d1a |
15 | 4864c13 |
hex | 318cedc |
51957468 has 36 divisors (see below), whose sum is σ = 132699840. Its totient is φ = 17139456.
The previous prime is 51957463. The next prime is 51957469. The reversal of 51957468 is 86475915.
51957468 is a `hidden beast` number, since 5 + 19 + 574 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51957463) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948 + ... + 10931.
Almost surely, 251957468 is an apocalyptic number.
It is an amenable number.
51957468 is an abundant number, since it is smaller than the sum of its proper divisors (80742372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51957468 is a wasteful number, since it uses less digits than its factorization.
51957468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14986 (or 14981 counting only the distinct ones).
The product of its digits is 302400, while the sum is 45.
The square root of 51957468 is about 7208.1528840612. The cubic root of 51957468 is about 373.1493243572.
It can be divided in two parts, 51957 and 468, that added together give a palindrome (52425).
The spelling of 51957468 in words is "fifty-one million, nine hundred fifty-seven thousand, four hundred sixty-eight".
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