Base | Representation |
---|---|
bin | 1001001000100… |
… | …1100010000001 |
3 | 2200002110021101 |
4 | 2102021202001 |
5 | 34301441230 |
6 | 3445054401 |
7 | 643434661 |
oct | 222114201 |
9 | 80073241 |
10 | 38312065 |
11 | 1a698470 |
12 | 109b7401 |
13 | 7c2547c |
14 | 51341a1 |
15 | 356baca |
hex | 2489881 |
38312065 has 16 divisors (see below), whose sum is σ = 50339520. Its totient is φ = 27760320.
The previous prime is 38312059. The next prime is 38312093. The reversal of 38312065 is 56021383.
It is not a de Polignac number, because 38312065 - 27 = 38311937 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15751 + ... + 18019.
It is an arithmetic number, because the mean of its divisors is an integer number (3146220).
Almost surely, 238312065 is an apocalyptic number.
It is an amenable number.
38312065 is a deficient number, since it is larger than the sum of its proper divisors (12027455).
38312065 is a wasteful number, since it uses less digits than its factorization.
38312065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2592.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 38312065 is about 6189.6740625012. The cubic root of 38312065 is about 337.1153441164.
The spelling of 38312065 in words is "thirty-eight million, three hundred twelve thousand, sixty-five".
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