Base | Representation |
---|---|
bin | 1001001101110… |
… | …1000010100101 |
3 | 2200201211110222 |
4 | 2103131002211 |
5 | 34343412432 |
6 | 3500254125 |
7 | 646361135 |
oct | 223350245 |
9 | 80654428 |
10 | 38654117 |
11 | 1a901457 |
12 | 10b41345 |
13 | 8015078 |
14 | 51c2ac5 |
15 | 35d8112 |
hex | 24dd0a5 |
38654117 has 4 divisors (see below), whose sum is σ = 39901056. Its totient is φ = 37407180.
The previous prime is 38654089. The next prime is 38654123. The reversal of 38654117 is 71145683.
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, and also an emirpimes, since its reverse is a distinct semiprime: 71145683 = 7 ⋅10163669.
It is a cyclic number.
It is not a de Polignac number, because 38654117 - 224 = 21876901 is a prime.
It is a super-2 number, since 2×386541172 = 2988281522099378, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38654137) 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, 623423 + ... + 623484.
It is an arithmetic number, because the mean of its divisors is an integer number (9975264).
Almost surely, 238654117 is an apocalyptic number.
It is an amenable number.
38654117 is a deficient number, since it is larger than the sum of its proper divisors (1246939).
38654117 is a wasteful number, since it uses less digits than its factorization.
38654117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1246938.
The product of its digits is 20160, while the sum is 35.
The square root of 38654117 is about 6217.2435210469. The cubic root of 38654117 is about 338.1156339065.
The spelling of 38654117 in words is "thirty-eight million, six hundred fifty-four thousand, one hundred seventeen".
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