Base | Representation |
---|---|
bin | 1001010000010… |
… | …0101011110101 |
3 | 2201001002020012 |
4 | 2110010223311 |
5 | 34414112001 |
6 | 3503550005 |
7 | 650635433 |
oct | 224045365 |
9 | 81032205 |
10 | 38816501 |
11 | 1aa02459 |
12 | 10bbb305 |
13 | 8070c59 |
14 | 5225d53 |
15 | 361b2bb |
hex | 2504af5 |
38816501 has 4 divisors (see below), whose sum is σ = 39642432. Its totient is φ = 37990572.
The previous prime is 38816483. The next prime is 38816543. The reversal of 38816501 is 10561883.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38816501 - 210 = 38815477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38816551) 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, 412895 + ... + 412988.
It is an arithmetic number, because the mean of its divisors is an integer number (9910608).
Almost surely, 238816501 is an apocalyptic number.
It is an amenable number.
38816501 is a deficient number, since it is larger than the sum of its proper divisors (825931).
38816501 is an equidigital number, since it uses as much as digits as its factorization.
38816501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 825930.
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 38816501 is about 6230.2889981124. The cubic root of 38816501 is about 338.5884413633.
The spelling of 38816501 in words is "thirty-eight million, eight hundred sixteen thousand, five hundred one".
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