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4124180 = 225206209
BaseRepresentation
bin1111101110111000010100
321202112022102
433232320110
52023433210
6224221232
750024564
oct17567024
97675272
104124180
112367615
12146a818
13b15258
14794da4
15566ea5
hex3eee14

4124180 has 12 divisors (see below), whose sum is σ = 8660820. Its totient is φ = 1649664.

The previous prime is 4124179. The next prime is 4124189. The reversal of 4124180 is 814214.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 1473796 = 1628^2 + 1214^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 206209 = 4124180 / (4 + 1 + 2 + 4 + 1 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124189) 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 3 ways as a sum of consecutive naturals, for example, 103085 + ... + 103124.

It is an arithmetic number, because the mean of its divisors is an integer number (721735).

Almost surely, 24124180 is an apocalyptic number.

It is an amenable number.

4124180 is an abundant number, since it is smaller than the sum of its proper divisors (4536640).

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

4124180 is a wasteful number, since it uses less digits than its factorization.

4124180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206218 (or 206216 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4124180 is about 2030.8077210805. The cubic root of 4124180 is about 160.3660888131.

Adding to 4124180 its reverse (814214), we get a palindrome (4938394).

The spelling of 4124180 in words is "four million, one hundred twenty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 206209 412418 824836 1031045 2062090 4124180