Base | Representation |
---|---|
bin | 1001001011001… |
… | …1000000100010 |
3 | 2200102002022120 |
4 | 2102303000202 |
5 | 34322410304 |
6 | 3452445110 |
7 | 645043200 |
oct | 222630042 |
9 | 80362276 |
10 | 38481954 |
11 | 1a7a4075 |
12 | 10a79796 |
13 | 7c848b4 |
14 | 517a070 |
15 | 35a20d9 |
hex | 24b3022 |
38481954 has 72 divisors (see below), whose sum is σ = 95390640. Its totient is φ = 10290672.
The previous prime is 38481941. The next prime is 38482019. The reversal of 38481954 is 45918483.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 463597 + ... + 463679.
It is an arithmetic number, because the mean of its divisors is an integer number (1324870).
Almost surely, 238481954 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38481954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47695320).
38481954 is an abundant number, since it is smaller than the sum of its proper divisors (56908686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38481954 is a wasteful number, since it uses less digits than its factorization.
38481954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204 (or 114 counting only the distinct ones).
The product of its digits is 138240, while the sum is 42.
The square root of 38481954 is about 6203.3824644302. The cubic root of 38481954 is about 337.6129048866.
Subtracting 38481954 from its reverse (45918483), we obtain a square (7436529 = 27272).
The spelling of 38481954 in words is "thirty-eight million, four hundred eighty-one thousand, nine hundred fifty-four".
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