Base | Representation |
---|---|
bin | 1100101001000… |
… | …1000100011101 |
3 | 10200202211220000 |
4 | 3022101010131 |
5 | 102033214010 |
6 | 5132244513 |
7 | 1212455010 |
oct | 312210435 |
9 | 120684800 |
10 | 53023005 |
11 | 27a25a72 |
12 | 15910739 |
13 | aca6379 |
14 | 7083377 |
15 | 49c57c0 |
hex | 329111d |
53023005 has 80 divisors (see below), whose sum is σ = 110816640. Its totient is φ = 23753088.
The previous prime is 53022967. The next prime is 53023007. The reversal of 53023005 is 50032035.
53023005 = T286 + T287 + ... + T698.
It is not a de Polignac number, because 53023005 - 215 = 52990237 is a prime.
It is a super-2 number, since 2×530230052 = 5622878118460050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53023007) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 167107 + ... + 167423.
It is an arithmetic number, because the mean of its divisors is an integer number (1385208).
Almost surely, 253023005 is an apocalyptic number.
It is an amenable number.
53023005 is an abundant number, since it is smaller than the sum of its proper divisors (57793635).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53023005 is a wasteful number, since it uses less digits than its factorization.
53023005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 391 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 18.
The square root of 53023005 is about 7281.6897077533. The cubic root of 53023005 is about 375.6829155819.
The spelling of 53023005 in words is "fifty-three million, twenty-three thousand, five".
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