Base | Representation |
---|---|
bin | 1100101101111… |
… | …1101100000001 |
3 | 10201101012121200 |
4 | 3023133230001 |
5 | 102124020100 |
6 | 5143211413 |
7 | 1215265566 |
oct | 313375401 |
9 | 121335550 |
10 | 53345025 |
11 | 281259a8 |
12 | 15a46b69 |
13 | b089b06 |
14 | 712886d |
15 | 4a3ae00 |
hex | 32dfb01 |
53345025 has 18 divisors (see below), whose sum is σ = 95547270. Its totient is φ = 28450560.
The previous prime is 53345023. The next prime is 53345029. The reversal of 53345025 is 52054335.
It can be written as a sum of positive squares in 3 ways, for example, as 288369 + 53056656 = 537^2 + 7284^2 .
It is not a de Polignac number, because 53345025 - 21 = 53345023 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 53345025.
It is not an unprimeable number, because it can be changed into a prime (53345021) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118320 + ... + 118769.
Almost surely, 253345025 is an apocalyptic number.
It is an amenable number.
53345025 is a deficient number, since it is larger than the sum of its proper divisors (42202245).
53345025 is a wasteful number, since it uses less digits than its factorization.
53345025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237105 (or 237097 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 27.
The square root of 53345025 is about 7303.7678632333. The cubic root of 53345025 is about 376.4419152417.
The spelling of 53345025 in words is "fifty-three million, three hundred forty-five thousand, twenty-five".
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