Base | Representation |
---|---|
bin | 1001000100110… |
… | …1001011011001 |
3 | 2122121220011112 |
4 | 2101031023121 |
5 | 34221033412 |
6 | 3435510105 |
7 | 641355155 |
oct | 221151331 |
9 | 78556145 |
10 | 38064857 |
11 | 1a539766 |
12 | 108b8335 |
13 | 7b69aac |
14 | 50ac065 |
15 | 351d722 |
hex | 244d2d9 |
38064857 has 4 divisors (see below), whose sum is σ = 38077200. Its totient is φ = 38052516.
The previous prime is 38064833. The next prime is 38064863. The reversal of 38064857 is 75846083.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75846083 = 79 ⋅960077.
It is a cyclic number.
It is not a de Polignac number, because 38064857 - 222 = 33870553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38064827) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 9192.
It is an arithmetic number, because the mean of its divisors is an integer number (9519300).
Almost surely, 238064857 is an apocalyptic number.
It is an amenable number.
38064857 is a deficient number, since it is larger than the sum of its proper divisors (12343).
38064857 is an equidigital number, since it uses as much as digits as its factorization.
38064857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12342.
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 38064857 is about 6169.6723575892. The cubic root of 38064857 is about 336.3887018242.
The spelling of 38064857 in words is "thirty-eight million, sixty-four thousand, eight hundred fifty-seven".
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