Base | Representation |
---|---|
bin | 1100011000000… |
… | …0000011110000 |
3 | 10121200000221020 |
4 | 3012000003300 |
5 | 101241423002 |
6 | 5052255440 |
7 | 1200116544 |
oct | 306000360 |
9 | 117600836 |
10 | 51904752 |
11 | 27331899 |
12 | 15471580 |
13 | a9a4393 |
14 | 6c71a24 |
15 | 48542bc |
hex | 31800f0 |
51904752 has 40 divisors (see below), whose sum is σ = 135933264. Its totient is φ = 17063424.
The previous prime is 51904739. The next prime is 51904753. The reversal of 51904752 is 25740915.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51904753) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3903 + ... + 10910.
Almost surely, 251904752 is an apocalyptic number.
It is an amenable number.
51904752 is an abundant number, since it is smaller than the sum of its proper divisors (84028512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51904752 is a wasteful number, since it uses less digits than its factorization.
51904752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14897 (or 14891 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 33.
The square root of 51904752 is about 7204.4952633755. The cubic root of 51904752 is about 373.0230826637.
The spelling of 51904752 in words is "fifty-one million, nine hundred four thousand, seven hundred fifty-two".
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