Base | Representation |
---|---|
bin | 1100110110111… |
… | …0010001000001 |
3 | 10202110212201022 |
4 | 3031232101001 |
5 | 102301212100 |
6 | 5203515225 |
7 | 1223250323 |
oct | 315562101 |
9 | 122425638 |
10 | 53929025 |
11 | 28494747 |
12 | 16088b15 |
13 | b232887 |
14 | 723b613 |
15 | 4b03e85 |
hex | 336e441 |
53929025 has 12 divisors (see below), whose sum is σ = 67224492. Its totient is φ = 42915840.
The previous prime is 53929021. The next prime is 53929033. The reversal of 53929025 is 52092935.
It can be written as a sum of positive squares in 6 ways, for example, as 229441 + 53699584 = 479^2 + 7328^2 .
It is not a de Polignac number, because 53929025 - 22 = 53929021 is a prime.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53929021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764 + ... + 10413.
It is an arithmetic number, because the mean of its divisors is an integer number (5602041).
Almost surely, 253929025 is an apocalyptic number.
It is an amenable number.
53929025 is a deficient number, since it is larger than the sum of its proper divisors (13295467).
53929025 is a wasteful number, since it uses less digits than its factorization.
53929025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11380 (or 11375 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 35.
The square root of 53929025 is about 7343.6384034074. The cubic root of 53929025 is about 377.8106444076.
The spelling of 53929025 in words is "fifty-three million, nine hundred twenty-nine thousand, twenty-five".
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