Base | Representation |
---|---|
bin | 1001001010110… |
… | …1001001010101 |
3 | 2200100212101012 |
4 | 2102231021111 |
5 | 34321123231 |
6 | 3452142005 |
7 | 644613164 |
oct | 222551125 |
9 | 80325335 |
10 | 38457941 |
11 | 1a788025 |
12 | 10a67905 |
13 | 7c769a2 |
14 | 51713db |
15 | 3599e2b |
hex | 24ad255 |
38457941 has 4 divisors (see below), whose sum is σ = 38595084. Its totient is φ = 38320800.
The previous prime is 38457901. The next prime is 38457977. The reversal of 38457941 is 14975483.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14975483 = 263 ⋅56941.
It can be written as a sum of positive squares in 2 ways, for example, as 16564900 + 21893041 = 4070^2 + 4679^2 .
It is a cyclic number.
It is not a de Polignac number, because 38457941 - 210 = 38456917 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 (38457901) 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, 68150 + ... + 68711.
It is an arithmetic number, because the mean of its divisors is an integer number (9648771).
Almost surely, 238457941 is an apocalyptic number.
It is an amenable number.
38457941 is a deficient number, since it is larger than the sum of its proper divisors (137143).
38457941 is a wasteful number, since it uses less digits than its factorization.
38457941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137142.
The product of its digits is 120960, while the sum is 41.
The square root of 38457941 is about 6201.4466860564. The cubic root of 38457941 is about 337.5426660281.
The spelling of 38457941 in words is "thirty-eight million, four hundred fifty-seven thousand, nine hundred forty-one".
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