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5212180 = 225260609
BaseRepresentation
bin10011111000100000010100
3100210210202201
4103320200110
52313242210
6303414244
762205601
oct23704024
910723681
105212180
112a3aa96
1218b4384
13110653c
149996a8
156ce53a
hex4f8814

5212180 has 12 divisors (see below), whose sum is σ = 10945620. Its totient is φ = 2084864.

The previous prime is 5212171. The next prime is 5212201. The reversal of 5212180 is 812125.

It can be written as a sum of positive squares in 2 ways, for example, as 3218436 + 1993744 = 1794^2 + 1412^2 .

It is an Ulam number.

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, 130285 + ... + 130324.

It is an arithmetic number, because the mean of its divisors is an integer number (912135).

Almost surely, 25212180 is an apocalyptic number.

It is an amenable number.

5212180 is an abundant number, since it is smaller than the sum of its proper divisors (5733440).

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

5212180 is a wasteful number, since it uses less digits than its factorization.

5212180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260618 (or 260616 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 5212180 is about 2283.0199298298. The cubic root of 5212180 is about 173.3829821614.

It can be divided in two parts, 521 and 2180, that added together give a triangular number (2701 = T73).

The spelling of 5212180 in words is "five million, two hundred twelve thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 260609 521218 1042436 1303045 2606090 5212180