Base | Representation |
---|---|
bin | 1001010001000… |
… | …0011111010111 |
3 | 2201010112120002 |
4 | 2110100133113 |
5 | 34422133410 |
6 | 3505001515 |
7 | 651226421 |
oct | 224203727 |
9 | 81115502 |
10 | 38864855 |
11 | 1aa35817 |
12 | 1102329b |
13 | 8089c73 |
14 | 5239811 |
15 | 362a7a5 |
hex | 25107d7 |
38864855 has 8 divisors (see below), whose sum is σ = 48142464. Its totient is φ = 30088800.
The previous prime is 38864809. The next prime is 38864909. The reversal of 38864855 is 55846883.
38864855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38864855 - 28 = 38864599 is a prime.
It is a Duffinian number.
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 7 ways as a sum of consecutive naturals, for example, 125216 + ... + 125525.
It is an arithmetic number, because the mean of its divisors is an integer number (6017808).
Almost surely, 238864855 is an apocalyptic number.
38864855 is a deficient number, since it is larger than the sum of its proper divisors (9277609).
38864855 is a wasteful number, since it uses less digits than its factorization.
38864855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250777.
The product of its digits is 921600, while the sum is 47.
The square root of 38864855 is about 6234.1683487054. The cubic root of 38864855 is about 338.7289770589.
The spelling of 38864855 in words is "thirty-eight million, eight hundred sixty-four thousand, eight hundred fifty-five".
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