Base | Representation |
---|---|
bin | 1001001001111… |
… | …0011010101101 |
3 | 2200020210121211 |
4 | 2102132122231 |
5 | 34312210423 |
6 | 3450554421 |
7 | 644242252 |
oct | 222363255 |
9 | 80223554 |
10 | 38397613 |
11 | 1a746771 |
12 | 10a38a11 |
13 | 7c553a7 |
14 | 5157429 |
15 | 358710d |
hex | 249e6ad |
38397613 has 8 divisors (see below), whose sum is σ = 41104800. Its totient is φ = 35759088.
The previous prime is 38397589. The next prime is 38397617. The reversal of 38397613 is 31679383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38397613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38397617) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16006 + ... + 18247.
It is an arithmetic number, because the mean of its divisors is an integer number (5138100).
Almost surely, 238397613 is an apocalyptic number.
It is an amenable number.
38397613 is a deficient number, since it is larger than the sum of its proper divisors (2707187).
38397613 is a wasteful number, since it uses less digits than its factorization.
38397613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34331.
The product of its digits is 81648, while the sum is 40.
The square root of 38397613 is about 6196.5807507044. The cubic root of 38397613 is about 337.3660754419.
The spelling of 38397613 in words is "thirty-eight million, three hundred ninety-seven thousand, six hundred thirteen".
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