Base | Representation |
---|---|
bin | 1100001101000… |
… | …1010011011000 |
3 | 10120022200001010 |
4 | 3003101103120 |
5 | 101101021302 |
6 | 5025053520 |
7 | 1161045633 |
oct | 303212330 |
9 | 116280033 |
10 | 51188952 |
11 | 26993021 |
12 | 151872a0 |
13 | a7b3629 |
14 | 6b26c1a |
15 | 476216c |
hex | 30d14d8 |
51188952 has 32 divisors (see below), whose sum is σ = 128372400. Its totient is φ = 17009664.
The previous prime is 51188933. The next prime is 51188953. The reversal of 51188952 is 25988115.
It is a self number, because there is not a number n which added to its sum of digits gives 51188952.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51188953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924 + ... + 11252.
Almost surely, 251188952 is an apocalyptic number.
It is an amenable number.
51188952 is an abundant number, since it is smaller than the sum of its proper divisors (77183448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51188952 is a wasteful number, since it uses less digits than its factorization.
51188952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6675 (or 6671 counting only the distinct ones).
The product of its digits is 28800, while the sum is 39.
The square root of 51188952 is about 7154.6454838797. The cubic root of 51188952 is about 371.3003962920.
The spelling of 51188952 in words is "fifty-one million, one hundred eighty-eight thousand, nine hundred fifty-two".
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