Base | Representation |
---|---|
bin | 1001010001111… |
… | …1001001001110 |
3 | 2201020120220011 |
4 | 2110133021032 |
5 | 34431044003 |
6 | 3510143434 |
7 | 651566416 |
oct | 224371116 |
9 | 81216804 |
10 | 38924878 |
11 | 1aa76923 |
12 | 11051b7a |
13 | 80ab395 |
14 | 5253646 |
15 | 363d46d |
hex | 251f24e |
38924878 has 12 divisors (see below), whose sum is σ = 61037928. Its totient is φ = 18615740.
The previous prime is 38924869. The next prime is 38924927. The reversal of 38924878 is 87842983.
38924878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×389248782 = 3030292254629768, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 17338 + ... + 19453.
It is an arithmetic number, because the mean of its divisors is an integer number (5086494).
Almost surely, 238924878 is an apocalyptic number.
38924878 is a deficient number, since it is larger than the sum of its proper divisors (22113050).
38924878 is a wasteful number, since it uses less digits than its factorization.
38924878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36839 (or 36816 counting only the distinct ones).
The product of its digits is 774144, while the sum is 49.
The square root of 38924878 is about 6238.9805256949. The cubic root of 38924878 is about 338.9032653859.
The spelling of 38924878 in words is "thirty-eight million, nine hundred twenty-four thousand, eight hundred seventy-eight".
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