Search a number
-
+
4512020 = 225225601
BaseRepresentation
bin10001001101100100010100
322111020022212
4101031210110
52123341040
6240412552
753231402
oct21154424
98436285
104512020
112601a47
121617158
13c1c946
14856472
155e1d65
hex44d914

4512020 has 12 divisors (see below), whose sum is σ = 9475284. Its totient is φ = 1804800.

The previous prime is 4512007. The next prime is 4512037. The reversal of 4512020 is 202154.

4512020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 583696 + 3928324 = 764^2 + 1982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4511986 and 4512004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112781 + ... + 112820.

It is an arithmetic number, because the mean of its divisors is an integer number (789607).

Almost surely, 24512020 is an apocalyptic number.

It is an amenable number.

4512020 is an abundant number, since it is smaller than the sum of its proper divisors (4963264).

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

4512020 is a wasteful number, since it uses less digits than its factorization.

4512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225610 (or 225608 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4512020 is about 2124.1515953434. The cubic root of 4512020 is about 165.2432286663.

Adding to 4512020 its reverse (202154), we get a palindrome (4714174).

The spelling of 4512020 in words is "four million, five hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 225601 451202 902404 1128005 2256010 4512020