Base | Representation |
---|---|
bin | 1001000101010… |
… | …1110000110111 |
3 | 2122200200101222 |
4 | 2101111300313 |
5 | 34223200043 |
6 | 3440340555 |
7 | 641562533 |
oct | 221256067 |
9 | 78620358 |
10 | 38100023 |
11 | 1a563125 |
12 | 1091475b |
13 | 7b7cac0 |
14 | 50babc3 |
15 | 3528d68 |
hex | 2455c37 |
38100023 has 8 divisors (see below), whose sum is σ = 42354816. Its totient is φ = 34034400.
The previous prime is 38100001. The next prime is 38100031. The reversal of 38100023 is 32000183.
38100023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38100023 - 28 = 38099767 is a prime.
It is a super-2 number, since 2×381000232 = 2903223505201058, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38099974 and 38100010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38100053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46868 + ... + 47673.
It is an arithmetic number, because the mean of its divisors is an integer number (5294352).
Almost surely, 238100023 is an apocalyptic number.
38100023 is a deficient number, since it is larger than the sum of its proper divisors (4254793).
38100023 is a wasteful number, since it uses less digits than its factorization.
38100023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94585.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 38100023 is about 6172.5216079006. The cubic root of 38100023 is about 336.4922601983.
The spelling of 38100023 in words is "thirty-eight million, one hundred thousand, twenty-three".
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