Base | Representation |
---|---|
bin | 1001000101101… |
… | …0100110001001 |
3 | 2122201200120002 |
4 | 2101122212021 |
5 | 34224313232 |
6 | 3441012345 |
7 | 642004331 |
oct | 221324611 |
9 | 78650502 |
10 | 38119817 |
11 | 1a576a8a |
12 | 109240b5 |
13 | 7b88b08 |
14 | 50c40c1 |
15 | 352eb62 |
hex | 245a989 |
38119817 has 4 divisors (see below), whose sum is σ = 38254800. Its totient is φ = 37984836.
The previous prime is 38119811. The next prime is 38119847. The reversal of 38119817 is 71891183.
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 a de Polignac number, because none of the positive numbers 2k-38119817 is a prime.
It is a super-2 number, since 2×381198172 = 2906240896226978, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38119811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67067 + ... + 67632.
It is an arithmetic number, because the mean of its divisors is an integer number (9563700).
Almost surely, 238119817 is an apocalyptic number.
It is an amenable number.
38119817 is a deficient number, since it is larger than the sum of its proper divisors (134983).
38119817 is a wasteful number, since it uses less digits than its factorization.
38119817 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134982.
The product of its digits is 12096, while the sum is 38.
The square root of 38119817 is about 6174.1247962768. The cubic root of 38119817 is about 336.5505224089.
The spelling of 38119817 in words is "thirty-eight million, one hundred nineteen thousand, eight hundred seventeen".
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