Base | Representation |
---|---|
bin | 1100101111111… |
… | …0111100111001 |
3 | 10201121201021111 |
4 | 3023332330321 |
5 | 102142114311 |
6 | 5150040321 |
7 | 1216341124 |
oct | 313767471 |
9 | 121551244 |
10 | 53473081 |
11 | 28203132 |
12 | 15aa90a1 |
13 | b10319c |
14 | 715d3bb |
15 | 4a63d21 |
hex | 32fef39 |
53473081 has 2 divisors, whose sum is σ = 53473082. Its totient is φ = 53473080.
The previous prime is 53473067. The next prime is 53473099. The reversal of 53473081 is 18037435.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 51609856 + 1863225 = 7184^2 + 1365^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53473081 is a prime.
It is a super-2 number, since 2×534730812 = 5718740783265122, which contains 22 as substring.
It is equal to p3196642 and since 53473081 and 3196642 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (53473181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26736540 + 26736541.
It is an arithmetic number, because the mean of its divisors is an integer number (26736541).
Almost surely, 253473081 is an apocalyptic number.
It is an amenable number.
53473081 is a deficient number, since it is larger than the sum of its proper divisors (1).
53473081 is an equidigital number, since it uses as much as digits as its factorization.
53473081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 53473081 is about 7312.5290426774. The cubic root of 53473081 is about 376.7428937886.
The spelling of 53473081 in words is "fifty-three million, four hundred seventy-three thousand, eighty-one".
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