Base | Representation |
---|---|
bin | 1100110110000… |
… | …0011000000111 |
3 | 10202100222200021 |
4 | 3031200120013 |
5 | 102242402020 |
6 | 5202400011 |
7 | 1222622422 |
oct | 315403007 |
9 | 122328607 |
10 | 53872135 |
11 | 28455a29 |
12 | 16060007 |
13 | b212a05 |
14 | 72249b9 |
15 | 4ae21aa |
hex | 3360607 |
53872135 has 4 divisors (see below), whose sum is σ = 64646568. Its totient is φ = 43097704.
The previous prime is 53872129. The next prime is 53872177. The reversal of 53872135 is 53127835.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53127835 = 5 ⋅10625567.
It is a cyclic number.
It is not a de Polignac number, because 53872135 - 23 = 53872127 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 53872135.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5387209 + ... + 5387218.
It is an arithmetic number, because the mean of its divisors is an integer number (16161642).
Almost surely, 253872135 is an apocalyptic number.
53872135 is a deficient number, since it is larger than the sum of its proper divisors (10774433).
53872135 is a wasteful number, since it uses less digits than its factorization.
53872135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10774432.
The product of its digits is 25200, while the sum is 34.
The square root of 53872135 is about 7339.7639607824. The cubic root of 53872135 is about 377.6777462146.
It can be divided in two parts, 538721 and 35, that added together give a square (538756 = 7342).
The spelling of 53872135 in words is "fifty-three million, eight hundred seventy-two thousand, one hundred thirty-five".
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