Search a number
-
+
4920791 = 19243317
BaseRepresentation
bin10010110001010111010111
3100021000001112
4102301113113
52224431131
6253245235
756553221
oct22612727
910230045
104920791
112861077
12179381b
131033a15
14921411
1567302b
hex4b15d7

4920791 has 12 divisors (see below), whose sum is σ = 5330952. Its totient is φ = 4539024.

The previous prime is 4920787. The next prime is 4920793. The reversal of 4920791 is 1970294.

It is not a de Polignac number, because 4920791 - 22 = 4920787 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 (4920793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15365 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (444246).

Almost surely, 24920791 is an apocalyptic number.

4920791 is a deficient number, since it is larger than the sum of its proper divisors (410161).

4920791 is a wasteful number, since it uses less digits than its factorization.

4920791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4920791 is about 2218.2855992861. The cubic root of 4920791 is about 170.0898141329.

The spelling of 4920791 in words is "four million, nine hundred twenty thousand, seven hundred ninety-one".

Divisors: 1 19 43 317 361 817 6023 13631 15523 114437 258989 4920791