Base | Representation |
---|---|
bin | 1100011100010… |
… | …0100110011001 |
3 | 10122012022001012 |
4 | 3013010212121 |
5 | 101324413442 |
6 | 5102303305 |
7 | 1202366210 |
oct | 307044631 |
9 | 118168035 |
10 | 52185497 |
11 | 27503811 |
12 | 15587b35 |
13 | aa720c0 |
14 | 6d06077 |
15 | 48ac582 |
hex | 31c4999 |
52185497 has 32 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 39513600.
The previous prime is 52185487. The next prime is 52185499. The reversal of 52185497 is 79458125.
It is not a de Polignac number, because 52185497 - 28 = 52185241 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is not an unprimeable number, because it can be changed into a prime (52185499) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264803 + ... + 264999.
It is an arithmetic number, because the mean of its divisors is an integer number (2095632).
Almost surely, 252185497 is an apocalyptic number.
It is an amenable number.
52185497 is a deficient number, since it is larger than the sum of its proper divisors (14874727).
52185497 is a wasteful number, since it uses less digits than its factorization.
52185497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329.
The product of its digits is 100800, while the sum is 41.
The square root of 52185497 is about 7223.9530037231. The cubic root of 52185497 is about 373.6944156590.
The spelling of 52185497 in words is "fifty-two million, one hundred eighty-five thousand, four hundred ninety-seven".
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