Base | Representation |
---|---|
bin | 1001000011111… |
… | …1001001110101 |
3 | 2122111222100222 |
4 | 2100333021311 |
5 | 34212214123 |
6 | 3434344125 |
7 | 641025533 |
oct | 220771165 |
9 | 78458328 |
10 | 38007413 |
11 | 1a4aa594 |
12 | 1088b045 |
13 | 7b498c2 |
14 | 5095153 |
15 | 350b6c8 |
hex | 243f275 |
38007413 has 8 divisors (see below), whose sum is σ = 39129048. Its totient is φ = 36900864.
The previous prime is 38007341. The next prime is 38007421. The reversal of 38007413 is 31470083.
It can be written as a sum of positive squares in 4 ways, for example, as 3232804 + 34774609 = 1798^2 + 5897^2 .
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 38007413 - 210 = 38006389 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 (38007433) 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, 1445 + ... + 8837.
It is an arithmetic number, because the mean of its divisors is an integer number (4891131).
Almost surely, 238007413 is an apocalyptic number.
It is an amenable number.
38007413 is a deficient number, since it is larger than the sum of its proper divisors (1121635).
38007413 is an equidigital number, since it uses as much as digits as its factorization.
38007413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7543.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 38007413 is about 6165.0152473453. The cubic root of 38007413 is about 336.2194009459.
Adding to 38007413 its reverse (31470083), we get a palindrome (69477496).
The spelling of 38007413 in words is "thirty-eight million, seven thousand, four hundred thirteen".
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