Base | Representation |
---|---|
bin | 1001010010001… |
… | …1001100110101 |
3 | 2201021102200112 |
4 | 2110203030311 |
5 | 34432111433 |
6 | 3510352405 |
7 | 651666023 |
oct | 224431465 |
9 | 81242615 |
10 | 38941493 |
11 | 1aa88358 |
12 | 1105b705 |
13 | 80b5b06 |
14 | 5259713 |
15 | 3643348 |
hex | 2523335 |
38941493 has 4 divisors (see below), whose sum is σ = 39001068. Its totient is φ = 38881920.
The previous prime is 38941489. The next prime is 38941499. The reversal of 38941493 is 39414983.
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 29343889 + 9597604 = 5417^2 + 3098^2 .
It is a cyclic number.
It is not a de Polignac number, because 38941493 - 22 = 38941489 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38941493.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38941499) 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, 28796 + ... + 30117.
It is an arithmetic number, because the mean of its divisors is an integer number (9750267).
Almost surely, 238941493 is an apocalyptic number.
It is an amenable number.
38941493 is a deficient number, since it is larger than the sum of its proper divisors (59575).
38941493 is an equidigital number, since it uses as much as digits as its factorization.
38941493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59574.
The product of its digits is 93312, while the sum is 41.
The square root of 38941493 is about 6240.3119313060. The cubic root of 38941493 is about 338.9514785686.
The spelling of 38941493 in words is "thirty-eight million, nine hundred forty-one thousand, four hundred ninety-three".
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