Search a number
-
+
5208420 = 2235712401
BaseRepresentation
bin10011110111100101100100
3100210121121110
4103313211210
52313132140
6303345020
762161620
oct23674544
910717543
105208420
112a38188
1218b2170
131104909
14998180
156cd380
hex4f7964

5208420 has 48 divisors (see below), whose sum is σ = 16668288. Its totient is φ = 1190400.

The previous prime is 5208407. The next prime is 5208421. The reversal of 5208420 is 248025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5208421) 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 15 ways as a sum of consecutive naturals, for example, 5781 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (347256).

Almost surely, 25208420 is an apocalyptic number.

It is an amenable number.

5208420 is an abundant number, since it is smaller than the sum of its proper divisors (11459868).

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

5208420 is a wasteful number, since it uses less digits than its factorization.

5208420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 5208420 is about 2282.1963105745. The cubic root of 5208420 is about 173.3412800433.

The spelling of 5208420 in words is "five million, two hundred eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 12401 24802 37203 49604 62005 74406 86807 124010 148812 173614 186015 248020 260421 347228 372030 434035 520842 744060 868070 1041684 1302105 1736140 2604210 5208420