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2220382 = 25320947
BaseRepresentation
bin1000011110000101011110
311011210210101
420132011132
51032023012
6115331314
724605263
oct10360536
94153711
102220382
11128722a
128b0b3a
135c9848
1441b26a
152dcd57
hex21e15e

2220382 has 8 divisors (see below), whose sum is σ = 3393576. Its totient is φ = 1089192.

The previous prime is 2220373. The next prime is 2220389. The reversal of 2220382 is 2830222.

2220382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10368 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (424197).

22220382 is an apocalyptic number.

2220382 is a deficient number, since it is larger than the sum of its proper divisors (1173194).

2220382 is a wasteful number, since it uses less digits than its factorization.

2220382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2220382 is about 1490.0946278676. The cubic root of 2220382 is about 130.4595569592.

The spelling of 2220382 in words is "two million, two hundred twenty thousand, three hundred eighty-two".

Divisors: 1 2 53 106 20947 41894 1110191 2220382