Base | Representation |
---|---|
bin | 1100101001100… |
… | …1110110100101 |
3 | 10200211200020110 |
4 | 3022121312211 |
5 | 102040341411 |
6 | 5133123233 |
7 | 1212664623 |
oct | 312316645 |
9 | 120750213 |
10 | 53058981 |
11 | 27a4aaa8 |
12 | 15929519 |
13 | acb9861 |
14 | 7092513 |
15 | 49d12a6 |
hex | 3299da5 |
53058981 has 8 divisors (see below), whose sum is σ = 71112640. Its totient is φ = 35188992.
The previous prime is 53058937. The next prime is 53058983. The reversal of 53058981 is 18985035.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53058981 - 211 = 53056933 is a prime.
It is a super-2 number, since 2×530589812 = 5630510929516722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53058983) 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, 45241 + ... + 46398.
It is an arithmetic number, because the mean of its divisors is an integer number (8889080).
Almost surely, 253058981 is an apocalyptic number.
It is an amenable number.
53058981 is a deficient number, since it is larger than the sum of its proper divisors (18053659).
53058981 is a wasteful number, since it uses less digits than its factorization.
53058981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91835.
The product of its (nonzero) digits is 43200, while the sum is 39.
The square root of 53058981 is about 7284.1595946272. The cubic root of 53058981 is about 375.7678630681.
The spelling of 53058981 in words is "fifty-three million, fifty-eight thousand, nine hundred eighty-one".
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