Base | Representation |
---|---|
bin | 1001010001001… |
… | …0011101000001 |
3 | 2201010221120221 |
4 | 2110102131001 |
5 | 34422413042 |
6 | 3505103041 |
7 | 651262030 |
oct | 224223501 |
9 | 81127527 |
10 | 38872897 |
11 | 1aa40868 |
12 | 11027a81 |
13 | 809081b |
14 | 523c717 |
15 | 362cd67 |
hex | 2512741 |
38872897 has 8 divisors (see below), whose sum is σ = 47039616. Its totient is φ = 31359552.
The previous prime is 38872891. The next prime is 38872913. The reversal of 38872897 is 79827883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38872897 - 211 = 38870849 is a prime.
It is a super-2 number, since 2×388728972 = 3022204242345218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38872891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163213 + ... + 163450.
It is an arithmetic number, because the mean of its divisors is an integer number (5879952).
Almost surely, 238872897 is an apocalyptic number.
It is an amenable number.
38872897 is a deficient number, since it is larger than the sum of its proper divisors (8166719).
38872897 is a wasteful number, since it uses less digits than its factorization.
38872897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326687.
The product of its digits is 1354752, while the sum is 52.
The square root of 38872897 is about 6234.8133091537. The cubic root of 38872897 is about 338.7523389589.
The spelling of 38872897 in words is "thirty-eight million, eight hundred seventy-two thousand, eight hundred ninety-seven".
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