Base | Representation |
---|---|
bin | 1100101110100… |
… | …1110110110111 |
3 | 10201110022202102 |
4 | 3023221312313 |
5 | 102131333204 |
6 | 5144132315 |
7 | 1215531203 |
oct | 313516667 |
9 | 121408672 |
10 | 53386679 |
11 | 28154225 |
12 | 15a6709b |
13 | b0a2a68 |
14 | 7139b03 |
15 | 4a4841e |
hex | 32e9db7 |
53386679 has 4 divisors (see below), whose sum is σ = 54029976. Its totient is φ = 52743384.
The previous prime is 53386673. The next prime is 53386717. The reversal of 53386679 is 97668335.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97668335 = 5 ⋅19533667.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53386679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53386673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321524 + ... + 321689.
It is an arithmetic number, because the mean of its divisors is an integer number (13507494).
Almost surely, 253386679 is an apocalyptic number.
53386679 is a deficient number, since it is larger than the sum of its proper divisors (643297).
53386679 is an equidigital number, since it uses as much as digits as its factorization.
53386679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643296.
The product of its digits is 816480, while the sum is 47.
The square root of 53386679 is about 7306.6188486878. The cubic root of 53386679 is about 376.5398702183.
The spelling of 53386679 in words is "fifty-three million, three hundred eighty-six thousand, six hundred seventy-nine".
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