Search a number
-
+
5255719 = 7750817
BaseRepresentation
bin10100000011001000100111
3100220000111021
4110003020213
52321140334
6304352011
762446540
oct24031047
910800437
105255719
112a6a777
121915607
1311202c1
149ab4c7
156dc3b4
hex503227

5255719 has 4 divisors (see below), whose sum is σ = 6006544. Its totient is φ = 4504896.

The previous prime is 5255713. The next prime is 5255741. The reversal of 5255719 is 9175525.

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 5255719 - 23 = 5255711 is a prime.

It is a super-2 number, since 2×52557192 = 55245164413922, which contains 22 as substring.

It is a Duffinian number.

5255719 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255711) 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, 375402 + ... + 375415.

It is an arithmetic number, because the mean of its divisors is an integer number (1501636).

Almost surely, 25255719 is an apocalyptic number.

5255719 is a deficient number, since it is larger than the sum of its proper divisors (750825).

5255719 is an equidigital number, since it uses as much as digits as its factorization.

5255719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750824.

The product of its digits is 15750, while the sum is 34.

The square root of 5255719 is about 2292.5354959084. The cubic root of 5255719 is about 173.8644185374.

It can be divided in two parts, 525 and 5719, that multiplied together give a triangular number (3002475 = T2450).

The spelling of 5255719 in words is "five million, two hundred fifty-five thousand, seven hundred nineteen".

Divisors: 1 7 750817 5255719