Base | Representation |
---|---|
bin | 1001000100001… |
… | …1000001011101 |
3 | 2122112210002221 |
4 | 2101003001131 |
5 | 34213221021 |
6 | 3434545341 |
7 | 641122663 |
oct | 221030135 |
9 | 78483087 |
10 | 38023261 |
11 | 1a510491 |
12 | 10898251 |
13 | 7b53b93 |
14 | 509ac33 |
15 | 3511241 |
hex | 244305d |
38023261 has 4 divisors (see below), whose sum is σ = 38059900. Its totient is φ = 37986624.
The previous prime is 38023259. The next prime is 38023273. The reversal of 38023261 is 16232083.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 29648025 + 8375236 = 5445^2 + 2894^2 .
It is a cyclic number.
It is not a de Polignac number, because 38023261 - 21 = 38023259 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38023211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16716 + ... + 18853.
It is an arithmetic number, because the mean of its divisors is an integer number (9514975).
Almost surely, 238023261 is an apocalyptic number.
It is an amenable number.
38023261 is a deficient number, since it is larger than the sum of its proper divisors (36639).
38023261 is a wasteful number, since it uses less digits than its factorization.
38023261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36638.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 38023261 is about 6166.3004305661. The cubic root of 38023261 is about 336.2661257312.
The spelling of 38023261 in words is "thirty-eight million, twenty-three thousand, two hundred sixty-one".
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