Base | Representation |
---|---|
bin | 1001010000000… |
… | …0001001100011 |
3 | 2201000010202010 |
4 | 2110000021203 |
5 | 34413013143 |
6 | 3503324003 |
7 | 650530323 |
oct | 224001143 |
9 | 81003663 |
10 | 38797923 |
11 | 1a99a4aa |
12 | 10bb0603 |
13 | 8065668 |
14 | 521d283 |
15 | 3615a33 |
hex | 2500263 |
38797923 has 4 divisors (see below), whose sum is σ = 51730568. Its totient is φ = 25865280.
The previous prime is 38797921. The next prime is 38797933. The reversal of 38797923 is 32979783.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 38797923 - 21 = 38797921 is a prime.
It is a super-2 number, since 2×387979232 = 3010557658227858, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38797921) 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, 6466318 + ... + 6466323.
It is an arithmetic number, because the mean of its divisors is an integer number (12932642).
Almost surely, 238797923 is an apocalyptic number.
38797923 is a deficient number, since it is larger than the sum of its proper divisors (12932645).
38797923 is a wasteful number, since it uses less digits than its factorization.
38797923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12932644.
The product of its digits is 571536, while the sum is 48.
The square root of 38797923 is about 6228.7978776005. The cubic root of 38797923 is about 338.5344153717.
The spelling of 38797923 in words is "thirty-eight million, seven hundred ninety-seven thousand, nine hundred twenty-three".
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