Base | Representation |
---|---|
bin | 1001000111001… |
… | …1010011111111 |
3 | 2122220211102122 |
4 | 2101303103333 |
5 | 34241033210 |
6 | 3443113155 |
7 | 642605435 |
oct | 221632377 |
9 | 78824378 |
10 | 38221055 |
11 | 1a636054 |
12 | 109727bb |
13 | 7bc2c12 |
14 | 510cd55 |
15 | 354eb55 |
hex | 24734ff |
38221055 has 16 divisors (see below), whose sum is σ = 48176640. Its totient is φ = 29053728.
The previous prime is 38221039. The next prime is 38221067. The reversal of 38221055 is 55012283.
It is a cyclic number.
It is not a de Polignac number, because 38221055 - 24 = 38221039 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17726 + ... + 19764.
It is an arithmetic number, because the mean of its divisors is an integer number (3011040).
Almost surely, 238221055 is an apocalyptic number.
38221055 is a deficient number, since it is larger than the sum of its proper divisors (9955585).
38221055 is a wasteful number, since it uses less digits than its factorization.
38221055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 38221055 is about 6182.3179310029. The cubic root of 38221055 is about 336.8481942109.
The spelling of 38221055 in words is "thirty-eight million, two hundred twenty-one thousand, fifty-five".
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