Base | Representation |
---|---|
bin | 1100101100100… |
… | …1101100001001 |
3 | 10201012122000111 |
4 | 3023021230021 |
5 | 102113124141 |
6 | 5141234321 |
7 | 1214442106 |
oct | 313115411 |
9 | 121178014 |
10 | 53254921 |
11 | 28074235 |
12 | 15a029a1 |
13 | b057ab5 |
14 | 7103aad |
15 | 4a1e381 |
hex | 32c9b09 |
53254921 has 8 divisors (see below), whose sum is σ = 53712288. Its totient is φ = 52800000.
The previous prime is 53254919. The next prime is 53254937. The reversal of 53254921 is 12945235.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53254921 - 21 = 53254919 is a prime.
It is a super-2 number, since 2×532549212 = 5672173221432482, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53254961) 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, 82761 + ... + 83401.
It is an arithmetic number, because the mean of its divisors is an integer number (6714036).
Almost surely, 253254921 is an apocalyptic number.
It is an amenable number.
53254921 is a deficient number, since it is larger than the sum of its proper divisors (457367).
53254921 is a wasteful number, since it uses less digits than its factorization.
53254921 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1223.
The product of its digits is 10800, while the sum is 31.
The square root of 53254921 is about 7297.5969332377. The cubic root of 53254921 is about 376.2298489960.
The spelling of 53254921 in words is "fifty-three million, two hundred fifty-four thousand, nine hundred twenty-one".
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