Base | Representation |
---|---|
bin | 1100010101101… |
… | …0110001111001 |
3 | 10121101021110212 |
4 | 3011122301321 |
5 | 101222031212 |
6 | 5045120505 |
7 | 1165612430 |
oct | 305326171 |
9 | 117337425 |
10 | 51752057 |
11 | 272380a5 |
12 | 153b9135 |
13 | a94ca26 |
14 | 6c32117 |
15 | 4823e22 |
hex | 315ac79 |
51752057 has 8 divisors (see below), whose sum is σ = 59365632. Its totient is φ = 44193600.
The previous prime is 51752053. The next prime is 51752059. The reversal of 51752057 is 75025715.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51752057 - 22 = 51752053 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51752053) 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, 11744 + ... + 15537.
It is an arithmetic number, because the mean of its divisors is an integer number (7420704).
Almost surely, 251752057 is an apocalyptic number.
It is an amenable number.
51752057 is a deficient number, since it is larger than the sum of its proper divisors (7613575).
51752057 is a wasteful number, since it uses less digits than its factorization.
51752057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27559.
The product of its (nonzero) digits is 12250, while the sum is 32.
The square root of 51752057 is about 7193.8902549316. The cubic root of 51752057 is about 372.6569331095.
The spelling of 51752057 in words is "fifty-one million, seven hundred fifty-two thousand, fifty-seven".
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