Base | Representation |
---|---|
bin | 1100101010111… |
… | …0011000000101 |
3 | 10200222221112221 |
4 | 3022232120011 |
5 | 102101034140 |
6 | 5135012341 |
7 | 1213464664 |
oct | 312563005 |
9 | 120887487 |
10 | 53143045 |
11 | 27aa817a |
12 | 1596a0b1 |
13 | b018bb7 |
14 | 70b4ddb |
15 | 49eb14a |
hex | 32ae605 |
53143045 has 8 divisors (see below), whose sum is σ = 63853560. Its totient is φ = 42459840.
The previous prime is 53143039. The next prime is 53143061. The reversal of 53143045 is 54034135.
It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 52751169 = 626^2 + 7263^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-53143045 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2266 + ... + 10555.
It is an arithmetic number, because the mean of its divisors is an integer number (7981695).
Almost surely, 253143045 is an apocalyptic number.
It is an amenable number.
53143045 is a deficient number, since it is larger than the sum of its proper divisors (10710515).
53143045 is a wasteful number, since it uses less digits than its factorization.
53143045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13655.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 53143045 is about 7289.9276402444. The cubic root of 53143045 is about 375.9662076353.
The spelling of 53143045 in words is "fifty-three million, one hundred forty-three thousand, forty-five".
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