Base | Representation |
---|---|
bin | 1001001101001… |
… | …1001110110110 |
3 | 2200122210101000 |
4 | 2103103032312 |
5 | 34341121232 |
6 | 3455344130 |
7 | 646133043 |
oct | 223231666 |
9 | 80583330 |
10 | 38613942 |
11 | 1a884254 |
12 | 10b22046 |
13 | 7ccc9b3 |
14 | 51b21ca |
15 | 35cb27c |
hex | 24d33b6 |
38613942 has 16 divisors (see below), whose sum is σ = 85808880. Its totient is φ = 12871296.
The previous prime is 38613937. The next prime is 38613943. The reversal of 38613942 is 24931683.
38613942 is a `hidden beast` number, since 38 + 613 + 9 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 38613897 and 38613906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38613943) 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, 357483 + ... + 357590.
It is an arithmetic number, because the mean of its divisors is an integer number (5363055).
Almost surely, 238613942 is an apocalyptic number.
38613942 is an abundant number, since it is smaller than the sum of its proper divisors (47194938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38613942 is a wasteful number, since it uses less digits than its factorization.
38613942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715084 (or 715078 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 38613942 is about 6214.0117476555. The cubic root of 38613942 is about 337.9984535952.
The spelling of 38613942 in words is "thirty-eight million, six hundred thirteen thousand, nine hundred forty-two".
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