Base | Representation |
---|---|
bin | 1100001000101… |
… | …1111001101001 |
3 | 10112210020002120 |
4 | 3002023321221 |
5 | 101012422211 |
6 | 5015021453 |
7 | 1155453102 |
oct | 302137151 |
9 | 115706076 |
10 | 50904681 |
11 | 26809493 |
12 | 1506a889 |
13 | a714119 |
14 | 6a913a9 |
15 | 4707d06 |
hex | 308be69 |
50904681 has 16 divisors (see below), whose sum is σ = 74991744. Its totient is φ = 30550784.
The previous prime is 50904661. The next prime is 50904691. The reversal of 50904681 is 18640905.
50904681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 50904681 - 26 = 50904617 is a prime.
It is a super-2 number, since 2×509046812 = 5182573095423522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50904611) by changing a digit.
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, 20526 + ... + 22871.
It is an arithmetic number, because the mean of its divisors is an integer number (4686984).
Almost surely, 250904681 is an apocalyptic number.
50904681 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
It is an amenable number.
50904681 is a deficient number, since it is larger than the sum of its proper divisors (24087063).
50904681 is a wasteful number, since it uses less digits than its factorization.
50904681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43440.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 50904681 is about 7134.7516424890. The cubic root of 50904681 is about 370.6117976674.
The spelling of 50904681 in words is "fifty million, nine hundred four thousand, six hundred eighty-one".
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