Search a number
-
+
5191814 = 23477481
BaseRepresentation
bin10011110011100010000110
3100202202211102
4103303202012
52312114224
6303140102
762062325
oct23634206
910682742
105191814
112a26761
1218a4632
1310ca1a4
149920bc
156c84ae
hex4f3886

5191814 has 8 divisors (see below), whose sum is σ = 7811208. Its totient is φ = 2588080.

The previous prime is 5191799. The next prime is 5191819. The reversal of 5191814 is 4181915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51918142 = 53909865221192, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047 + ... + 4434.

It is an arithmetic number, because the mean of its divisors is an integer number (976401).

Almost surely, 25191814 is an apocalyptic number.

5191814 is a deficient number, since it is larger than the sum of its proper divisors (2619394).

5191814 is a wasteful number, since it uses less digits than its factorization.

5191814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

The product of its digits is 1440, while the sum is 29.

The square root of 5191814 is about 2278.5552440088. Note that the first 3 decimals coincide. The cubic root of 5191814 is about 173.1568626381.

The spelling of 5191814 in words is "five million, one hundred ninety-one thousand, eight hundred fourteen".

Divisors: 1 2 347 694 7481 14962 2595907 5191814