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6480252 = 2232180007
BaseRepresentation
bin11000101110000101111100
3110012020020100
4120232011330
53124332002
6350521100
7106036602
oct30560574
913166210
106480252
113726789
122206190
13145b78c
14c09872
1588011c
hex62e17c

6480252 has 18 divisors (see below), whose sum is σ = 16380728. Its totient is φ = 2160072.

The previous prime is 6480251. The next prime is 6480259. The reversal of 6480252 is 2520846.

6480252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89968 + ... + 90039.

Almost surely, 26480252 is an apocalyptic number.

It is an amenable number.

6480252 is an abundant number, since it is smaller than the sum of its proper divisors (9900476).

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

6480252 is a wasteful number, since it uses less digits than its factorization.

6480252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180017 (or 180012 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6480252 is about 2545.6339092650. The cubic root of 6480252 is about 186.4363670623.

The spelling of 6480252 in words is "six million, four hundred eighty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 180007 360014 540021 720028 1080042 1620063 2160084 3240126 6480252