Search a number
-
+
2220486 = 23370081
BaseRepresentation
bin1000011110000111000110
311011210221020
420132013012
51032023421
6115332010
724605502
oct10360706
94153836
102220486
111287314
128b1006
135c98c8
1441b302
152dcdc6
hex21e1c6

2220486 has 8 divisors (see below), whose sum is σ = 4440984. Its totient is φ = 740160.

The previous prime is 2220479. The next prime is 2220497. The reversal of 2220486 is 6840222.

It is a sphenic number, since it is the product of 3 distinct primes.

2220486 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 185035 + ... + 185046.

It is an arithmetic number, because the mean of its divisors is an integer number (555123).

22220486 is an apocalyptic number.

2220486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2220486 is a wasteful number, since it uses less digits than its factorization.

2220486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370086.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2220486 is about 1490.1295245716. The cubic root of 2220486 is about 130.4615937832.

The spelling of 2220486 in words is "two million, two hundred twenty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 370081 740162 1110243 2220486