Base | Representation |
---|---|
bin | 1100001011000… |
… | …1010011011101 |
3 | 10120002000020210 |
4 | 3002301103131 |
5 | 101032323020 |
6 | 5022203033 |
7 | 1156661544 |
oct | 302612335 |
9 | 116060223 |
10 | 51057885 |
11 | 269035aa |
12 | 15123479 |
13 | a768a88 |
14 | 6ad115b |
15 | 47383e0 |
hex | 30b14dd |
51057885 has 16 divisors (see below), whose sum is σ = 86498496. Its totient is φ = 25628928.
The previous prime is 51057841. The next prime is 51057901. The reversal of 51057885 is 58875015.
51057885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 51057885 - 27 = 51057757 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99859 + ... + 100368.
It is an arithmetic number, because the mean of its divisors is an integer number (5406156).
Almost surely, 251057885 is an apocalyptic number.
It is an amenable number.
51057885 is a deficient number, since it is larger than the sum of its proper divisors (35440611).
51057885 is a wasteful number, since it uses less digits than its factorization.
51057885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200252.
The product of its (nonzero) digits is 56000, while the sum is 39.
The square root of 51057885 is about 7145.4800398574. The cubic root of 51057885 is about 370.9832261386.
The spelling of 51057885 in words is "fifty-one million, fifty-seven thousand, eight hundred eighty-five".
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