Base | Representation |
---|---|
bin | 1100101011011… |
… | …1001010111101 |
3 | 10201001202222011 |
4 | 3022313022331 |
5 | 102103212234 |
6 | 5135451221 |
7 | 1214005006 |
oct | 312671275 |
9 | 121052864 |
10 | 53179069 |
11 | 28022249 |
12 | 15986b11 |
13 | b02c408 |
14 | 70c41ad |
15 | 4a06b64 |
hex | 32b72bd |
53179069 has 4 divisors (see below), whose sum is σ = 55012860. Its totient is φ = 51345280.
The previous prime is 53179019. The next prime is 53179073. The reversal of 53179069 is 96097135.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26522500 + 26656569 = 5150^2 + 5163^2 .
It is a cyclic number.
It is not a de Polignac number, because 53179069 - 213 = 53170877 is a prime.
It is a super-4 number, since 4×531790694 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53179019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916852 + ... + 916909.
It is an arithmetic number, because the mean of its divisors is an integer number (13753215).
Almost surely, 253179069 is an apocalyptic number.
It is an amenable number.
53179069 is a deficient number, since it is larger than the sum of its proper divisors (1833791).
53179069 is a wasteful number, since it uses less digits than its factorization.
53179069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1833790.
The product of its (nonzero) digits is 51030, while the sum is 40.
The square root of 53179069 is about 7292.3980280838. The cubic root of 53179069 is about 376.0511403392.
The spelling of 53179069 in words is "fifty-three million, one hundred seventy-nine thousand, sixty-nine".
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