Base | Representation |
---|---|
bin | 1001010000111… |
… | …1010011000100 |
3 | 2201010021212020 |
4 | 2110033103010 |
5 | 34422004342 |
6 | 3504523140 |
7 | 651206244 |
oct | 224172304 |
9 | 81107766 |
10 | 38859972 |
11 | 1aa32088 |
12 | 110204b0 |
13 | 8087988 |
14 | 5237b24 |
15 | 36290ec |
hex | 250f4c4 |
38859972 has 24 divisors (see below), whose sum is σ = 94616256. Its totient is φ = 12390048.
The previous prime is 38859967. The next prime is 38859979. The reversal of 38859972 is 27995883.
It is not an unprimeable number, because it can be changed into a prime (38859979) 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 7 ways as a sum of consecutive naturals, for example, 70123 + ... + 70674.
It is an arithmetic number, because the mean of its divisors is an integer number (3942344).
Almost surely, 238859972 is an apocalyptic number.
It is an amenable number.
38859972 is an abundant number, since it is smaller than the sum of its proper divisors (55756284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38859972 is a wasteful number, since it uses less digits than its factorization.
38859972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140827 (or 140825 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 51.
The square root of 38859972 is about 6233.7767043743. The cubic root of 38859972 is about 338.7147904382.
The spelling of 38859972 in words is "thirty-eight million, eight hundred fifty-nine thousand, nine hundred seventy-two".
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