Search a number
-
+
5220978 = 237124309
BaseRepresentation
bin10011111010101001110010
3100211020211120
4103322221302
52314032403
6303523110
762243340
oct23725162
910736746
105220978
112a46664
1218b9496
13110a549
1499c990
156d1e53
hex4faa72

5220978 has 16 divisors (see below), whose sum is σ = 11933760. Its totient is φ = 1491696.

The previous prime is 5220973. The next prime is 5220983. The reversal of 5220978 is 8790225.

It is an interprime number because it is at equal distance from previous prime (5220973) and next prime (5220983).

It is a super-2 number, since 2×52209782 = 54517222552968, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5220973) 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 7 ways as a sum of consecutive naturals, for example, 62113 + ... + 62196.

It is an arithmetic number, because the mean of its divisors is an integer number (745860).

Almost surely, 25220978 is an apocalyptic number.

5220978 is an abundant number, since it is smaller than the sum of its proper divisors (6712782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5220978 is a wasteful number, since it uses less digits than its factorization.

5220978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124321.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5220978 is about 2284.9459512207. The cubic root of 5220978 is about 173.4804823751.

The spelling of 5220978 in words is "five million, two hundred twenty thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 124309 248618 372927 745854 870163 1740326 2610489 5220978