Base | Representation |
---|---|
bin | 1001011100110… |
… | …1010001010001 |
3 | 2202120211020200 |
4 | 2113031101101 |
5 | 40121404342 |
6 | 3533325413 |
7 | 660626652 |
oct | 227152121 |
9 | 82524220 |
10 | 39638097 |
11 | 20413764 |
12 | 11336869 |
13 | 829abc5 |
14 | 539b529 |
15 | 372e94c |
hex | 25cd451 |
39638097 has 12 divisors (see below), whose sum is σ = 57707520. Its totient is φ = 26216568.
The previous prime is 39638087. The next prime is 39638107. The reversal of 39638097 is 79083693.
It is a happy number.
39638097 is a `hidden beast` number, since 3 + 9 + 638 + 0 + 9 + 7 = 666.
It is an interprime number because it is at equal distance from previous prime (39638087) and next prime (39638107).
It is not a de Polignac number, because 39638097 - 211 = 39636049 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (39638077) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16197 + ... + 18482.
It is an arithmetic number, because the mean of its divisors is an integer number (4808960).
Almost surely, 239638097 is an apocalyptic number.
It is an amenable number.
39638097 is a deficient number, since it is larger than the sum of its proper divisors (18069423).
39638097 is a wasteful number, since it uses less digits than its factorization.
39638097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34812 (or 34809 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 39638097 is about 6295.8793666969. The cubic root of 39638097 is about 340.9606539800.
The spelling of 39638097 in words is "thirty-nine million, six hundred thirty-eight thousand, ninety-seven".
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