Base | Representation |
---|---|
bin | 1001001110000… |
… | …1001001111001 |
3 | 2200202200121010 |
4 | 2103201021321 |
5 | 34344432334 |
6 | 3500504133 |
7 | 646461231 |
oct | 223411171 |
9 | 80680533 |
10 | 38670969 |
11 | 1a913087 |
12 | 10b4b049 |
13 | 801c93c |
14 | 51c8cc1 |
15 | 35dd0e9 |
hex | 24e1279 |
38670969 has 4 divisors (see below), whose sum is σ = 51561296. Its totient is φ = 25780644.
The previous prime is 38670967. The next prime is 38670991. The reversal of 38670969 is 96907683.
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.
It is not a de Polignac number, because 38670969 - 21 = 38670967 is a prime.
It is a super-2 number, since 2×386709692 = 2990887686797922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38670967) 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, 6445159 + ... + 6445164.
It is an arithmetic number, because the mean of its divisors is an integer number (12890324).
Almost surely, 238670969 is an apocalyptic number.
It is an amenable number.
38670969 is a deficient number, since it is larger than the sum of its proper divisors (12890327).
38670969 is a wasteful number, since it uses less digits than its factorization.
38670969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12890326.
The product of its (nonzero) digits is 489888, while the sum is 48.
The square root of 38670969 is about 6218.5986363489. The cubic root of 38670969 is about 338.1647627555.
The spelling of 38670969 in words is "thirty-eight million, six hundred seventy thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •