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5780791 = 43134437
BaseRepresentation
bin10110000011010100110111
3101212200202101
4112003110313
52434441131
6323522531
7100064422
oct26032467
911780671
105780791
113299215
121b29447
1312752b3
14aa69b9
15792c61
hex583537

5780791 has 4 divisors (see below), whose sum is σ = 5915272. Its totient is φ = 5646312.

The previous prime is 5780783. The next prime is 5780809. The reversal of 5780791 is 1970875.

5780791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5780791 - 23 = 5780783 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 5780791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5780711) 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, 67176 + ... + 67261.

It is an arithmetic number, because the mean of its divisors is an integer number (1478818).

Almost surely, 25780791 is an apocalyptic number.

5780791 is a deficient number, since it is larger than the sum of its proper divisors (134481).

5780791 is a wasteful number, since it uses less digits than its factorization.

5780791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134480.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 5780791 is about 2404.3275567193. The cubic root of 5780791 is about 179.4716088584.

The spelling of 5780791 in words is "five million, seven hundred eighty thousand, seven hundred ninety-one".

Divisors: 1 43 134437 5780791