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2486180 = 225124309
BaseRepresentation
bin1001011110111110100100
311200022101202
421132332210
51114024210
6125142032
730063224
oct11367644
94608352
102486180
1114489a4
129ba918
13690818
1448a084
153419a5
hex25efa4

2486180 has 12 divisors (see below), whose sum is σ = 5221020. Its totient is φ = 994464.

The previous prime is 2486167. The next prime is 2486189. The reversal of 2486180 is 816842.

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 1833316 = 808^2 + 1354^2 .

It is not an unprimeable number, because it can be changed into a prime (2486189) 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, 62135 + ... + 62174.

It is an arithmetic number, because the mean of its divisors is an integer number (435085).

22486180 is an apocalyptic number.

2486180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2486180 is an abundant number, since it is smaller than the sum of its proper divisors (2734840).

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

2486180 is a wasteful number, since it uses less digits than its factorization.

2486180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124318 (or 124316 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2486180 is about 1576.7625058962. The cubic root of 2486180 is about 135.4703302367.

The spelling of 2486180 in words is "two million, four hundred eighty-six thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 124309 248618 497236 621545 1243090 2486180