Base | Representation |
---|---|
bin | 1001010111110… |
… | …0100010000001 |
3 | 2201222000121101 |
4 | 2111330202001 |
5 | 40030314033 |
6 | 3522254401 |
7 | 655051546 |
oct | 225744201 |
9 | 81860541 |
10 | 39307393 |
11 | 20208254 |
12 | 111b7401 |
13 | 81b3518 |
14 | 5312bcd |
15 | 36b697d |
hex | 257c881 |
39307393 has 8 divisors (see below), whose sum is σ = 40269600. Its totient is φ = 38355168.
The previous prime is 39307381. The next prime is 39307421. The reversal of 39307393 is 39370393.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 39307393 - 217 = 39176321 is a prime.
It is a super-2 number, since 2×393073932 = 3090142288912898, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (39307313) 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 7 ways as a sum of consecutive naturals, for example, 5805 + ... + 10597.
It is an arithmetic number, because the mean of its divisors is an integer number (5033700).
Almost surely, 239307393 is an apocalyptic number.
It is an amenable number.
39307393 is a deficient number, since it is larger than the sum of its proper divisors (962207).
39307393 is a wasteful number, since it uses less digits than its factorization.
39307393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4991.
The product of its (nonzero) digits is 45927, while the sum is 37.
The square root of 39307393 is about 6269.5608299146. The cubic root of 39307393 is about 340.0097834555.
The spelling of 39307393 in words is "thirty-nine million, three hundred seven thousand, three hundred ninety-three".
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