Base | Representation |
---|---|
bin | 1100001001110… |
… | …0000000111001 |
3 | 10112220120122000 |
4 | 3002130000321 |
5 | 101022030211 |
6 | 5020251213 |
7 | 1156146366 |
oct | 302340071 |
9 | 115816560 |
10 | 50970681 |
11 | 26854033 |
12 | 150a0b09 |
13 | a738188 |
14 | 6aab46d |
15 | 471c656 |
hex | 309c039 |
50970681 has 8 divisors (see below), whose sum is σ = 75512160. Its totient is φ = 33980436.
The previous prime is 50970677. The next prime is 50970739. The reversal of 50970681 is 18607905.
50970681 is a `hidden beast` number, since 509 + 70 + 6 + 81 = 666.
It is not a de Polignac number, because 50970681 - 22 = 50970677 is a prime.
It is a super-2 number, since 2×509706812 = 5196020643207522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50970611) 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, 943875 + ... + 943928.
It is an arithmetic number, because the mean of its divisors is an integer number (9439020).
Almost surely, 250970681 is an apocalyptic number.
It is an amenable number.
50970681 is a deficient number, since it is larger than the sum of its proper divisors (24541479).
50970681 is a wasteful number, since it uses less digits than its factorization.
50970681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887812 (or 1887806 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 50970681 is about 7139.3753928478. The cubic root of 50970681 is about 370.7718996101.
The spelling of 50970681 in words is "fifty million, nine hundred seventy thousand, six hundred eighty-one".
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