Base | Representation |
---|---|
bin | 1001010010011… |
… | …0100111100001 |
3 | 2201022010212220 |
4 | 2110212213201 |
5 | 34433033424 |
6 | 3510541253 |
7 | 652054566 |
oct | 224464741 |
9 | 81263786 |
10 | 38955489 |
11 | 1aa97921 |
12 | 11067829 |
13 | 80bc2b1 |
14 | 526086d |
15 | 3647579 |
hex | 25269e1 |
38955489 has 4 divisors (see below), whose sum is σ = 51940656. Its totient is φ = 25970324.
The previous prime is 38955473. The next prime is 38955523. The reversal of 38955489 is 98455983.
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 a cyclic number.
It is not a de Polignac number, because 38955489 - 24 = 38955473 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38955409) 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, 6492579 + ... + 6492584.
It is an arithmetic number, because the mean of its divisors is an integer number (12985164).
Almost surely, 238955489 is an apocalyptic number.
It is an amenable number.
38955489 is a deficient number, since it is larger than the sum of its proper divisors (12985167).
38955489 is a wasteful number, since it uses less digits than its factorization.
38955489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12985166.
The product of its digits is 1555200, while the sum is 51.
The square root of 38955489 is about 6241.4332488620. The cubic root of 38955489 is about 338.9920813319.
The spelling of 38955489 in words is "thirty-eight million, nine hundred fifty-five thousand, four hundred eighty-nine".
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