Base | Representation |
---|---|
bin | 1001001111111… |
… | …1011011000001 |
3 | 2200222222122211 |
4 | 2103333123001 |
5 | 34412414240 |
6 | 3503302121 |
7 | 650515540 |
oct | 223773301 |
9 | 80888584 |
10 | 38794945 |
11 | 1a998242 |
12 | 10baa941 |
13 | 80641b7 |
14 | 521c157 |
15 | 3614bea |
hex | 24ff6c1 |
38794945 has 8 divisors (see below), whose sum is σ = 53204544. Its totient is φ = 26602224.
The previous prime is 38794939. The next prime is 38794949. The reversal of 38794945 is 54949783.
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 38794945 - 29 = 38794433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38794949) 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, 554179 + ... + 554248.
It is an arithmetic number, because the mean of its divisors is an integer number (6650568).
Almost surely, 238794945 is an apocalyptic number.
38794945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38794945 is a deficient number, since it is larger than the sum of its proper divisors (14409599).
38794945 is a wasteful number, since it uses less digits than its factorization.
38794945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108439.
The product of its digits is 1088640, while the sum is 49.
The square root of 38794945 is about 6228.5588220711. The cubic root of 38794945 is about 338.5257535568.
The spelling of 38794945 in words is "thirty-eight million, seven hundred ninety-four thousand, nine hundred forty-five".
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