Base | Representation |
---|---|
bin | 1001001011001… |
… | …0101110010111 |
3 | 2200102000201111 |
4 | 2102302232113 |
5 | 34322341131 |
6 | 3452435451 |
7 | 645036616 |
oct | 222625627 |
9 | 80360644 |
10 | 38480791 |
11 | 1a7a3208 |
12 | 10a78b87 |
13 | 7c841cb |
14 | 517987d |
15 | 35a1ab1 |
hex | 24b2b97 |
38480791 has 4 divisors (see below), whose sum is σ = 38493712. Its totient is φ = 38467872.
The previous prime is 38480779. The next prime is 38480801. The reversal of 38480791 is 19708483.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19708483 = 409 ⋅48187.
It is a cyclic number.
It is not a de Polignac number, because 38480791 - 25 = 38480759 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 (38480291) 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, 526 + ... + 8788.
It is an arithmetic number, because the mean of its divisors is an integer number (9623428).
Almost surely, 238480791 is an apocalyptic number.
38480791 is a deficient number, since it is larger than the sum of its proper divisors (12921).
38480791 is an equidigital number, since it uses as much as digits as its factorization.
38480791 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12920.
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 38480791 is about 6203.2887245396. The cubic root of 38480791 is about 337.6095037446.
The spelling of 38480791 in words is "thirty-eight million, four hundred eighty thousand, seven hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •