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472180 = 22523609
BaseRepresentation
bin1110011010001110100
3212222201011
41303101310
5110102210
614042004
74004422
oct1632164
9788634
10472180
112a2835
121a9304
13136bc7
14c4112
1594d8a
hex73474

472180 has 12 divisors (see below), whose sum is σ = 991620. Its totient is φ = 188864.

The previous prime is 472163. The next prime is 472189. The reversal of 472180 is 81274.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 355216 = 342^2 + 596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11785 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (82635).

2472180 is an apocalyptic number.

It is an amenable number.

472180 is an abundant number, since it is smaller than the sum of its proper divisors (519440).

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

472180 is a wasteful number, since it uses less digits than its factorization.

472180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618 (or 23616 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 472180 is about 687.1535490704. The cubic root of 472180 is about 77.8698245081.

The spelling of 472180 in words is "four hundred seventy-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 23609 47218 94436 118045 236090 472180