Base | Representation |
---|---|
bin | 1100100001010… |
… | …0111001010101 |
3 | 10122211000012101 |
4 | 3020110321111 |
5 | 101420430024 |
6 | 5113322101 |
7 | 1205236114 |
oct | 310247125 |
9 | 118730171 |
10 | 52514389 |
11 | 27708924 |
12 | 15706331 |
13 | ab58a05 |
14 | 6d8dc7b |
15 | 4924c44 |
hex | 3214e55 |
52514389 has 8 divisors (see below), whose sum is σ = 54414360. Its totient is φ = 50620416.
The previous prime is 52514383. The next prime is 52514419. The reversal of 52514389 is 98341525.
It can be written as a sum of positive squares in 4 ways, for example, as 4100625 + 48413764 = 2025^2 + 6958^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-52514389 is a prime.
It is a super-2 number, since 2×525143892 = 5515522104086642, 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 (52514383) 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, 23797 + ... + 25909.
It is an arithmetic number, because the mean of its divisors is an integer number (6801795).
Almost surely, 252514389 is an apocalyptic number.
It is an amenable number.
52514389 is a deficient number, since it is larger than the sum of its proper divisors (1899971).
52514389 is a wasteful number, since it uses less digits than its factorization.
52514389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2999.
The product of its digits is 43200, while the sum is 37.
The square root of 52514389 is about 7246.6812404024. The cubic root of 52514389 is about 374.4778249297.
The spelling of 52514389 in words is "fifty-two million, five hundred fourteen thousand, three hundred eighty-nine".
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