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2243485 = 5448697
BaseRepresentation
bin1000100011101110011101
311012222111001
420203232131
51033242420
6120030301
725032526
oct10435635
94188431
102243485
1112a2622
12902391
1360720a
1442584d
152e4b0a
hex223b9d

2243485 has 4 divisors (see below), whose sum is σ = 2692188. Its totient is φ = 1794784.

The previous prime is 2243477. The next prime is 2243491. The reversal of 2243485 is 5843422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 964324 + 1279161 = 982^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243485 - 23 = 2243477 is a prime.

It is a Duffinian 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, 224344 + ... + 224353.

It is an arithmetic number, because the mean of its divisors is an integer number (673047).

22243485 is an apocalyptic number.

It is an amenable number.

2243485 is a deficient number, since it is larger than the sum of its proper divisors (448703).

2243485 is an equidigital number, since it uses as much as digits as its factorization.

2243485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448702.

The product of its digits is 7680, while the sum is 28.

The square root of 2243485 is about 1497.8267590079. The cubic root of 2243485 is about 130.9104724035.

The spelling of 2243485 in words is "two million, two hundred forty-three thousand, four hundred eighty-five".

Divisors: 1 5 448697 2243485