Base | Representation |
---|---|
bin | 1001001001110… |
… | …1110110101001 |
3 | 2200020200110100 |
4 | 2102131312221 |
5 | 34312122210 |
6 | 3450540013 |
7 | 644232444 |
oct | 222356651 |
9 | 80220410 |
10 | 38395305 |
11 | 1a744a63 |
12 | 10a37609 |
13 | 7c54320 |
14 | 515665b |
15 | 35865c0 |
hex | 249dda9 |
38395305 has 24 divisors (see below), whose sum is σ = 71672328. Its totient is φ = 18902016.
The previous prime is 38395297. The next prime is 38395327. The reversal of 38395305 is 50359383.
It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 36036009 = 1536^2 + 6003^2 .
It is not a de Polignac number, because 38395305 - 23 = 38395297 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38395305.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32232 + ... + 33401.
It is an arithmetic number, because the mean of its divisors is an integer number (2986347).
Almost surely, 238395305 is an apocalyptic number.
It is an amenable number.
38395305 is a deficient number, since it is larger than the sum of its proper divisors (33277023).
38395305 is a wasteful number, since it uses less digits than its factorization.
38395305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65657 (or 65654 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
The square root of 38395305 is about 6196.3945161683. The cubic root of 38395305 is about 337.3593158507.
The spelling of 38395305 in words is "thirty-eight million, three hundred ninety-five thousand, three hundred five".
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