Base | Representation |
---|---|
bin | 1100011010100… |
… | …0011000010001 |
3 | 10121222102111000 |
4 | 3012220120101 |
5 | 101312214110 |
6 | 5100012213 |
7 | 1201405206 |
oct | 306503021 |
9 | 117872430 |
10 | 52069905 |
11 | 27434988 |
12 | 15531069 |
13 | aa315c4 |
14 | 6cb5cad |
15 | 48881c0 |
hex | 31a8611 |
52069905 has 32 divisors (see below), whose sum is σ = 94101120. Its totient is φ = 27311040.
The previous prime is 52069889. The next prime is 52069931. The reversal of 52069905 is 50996025.
It is not a de Polignac number, because 52069905 - 24 = 52069889 is a prime.
It is a super-2 number, since 2×520699052 = 5422550013418050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 52069905.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5074 + ... + 11396.
It is an arithmetic number, because the mean of its divisors is an integer number (2940660).
Almost surely, 252069905 is an apocalyptic number.
It is an amenable number.
52069905 is a deficient number, since it is larger than the sum of its proper divisors (42031215).
52069905 is a wasteful number, since it uses less digits than its factorization.
52069905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6398 (or 6392 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 36.
The square root of 52069905 is about 7215.9479626727. The cubic root of 52069905 is about 373.4182979628.
The spelling of 52069905 in words is "fifty-two million, sixty-nine thousand, nine hundred five".
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