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8027244 = 2232222979
BaseRepresentation
bin11110100111110001101100
3120002211022100
4132213301230
54023332434
6444015100
7125142021
oct36476154
916084270
108027244
114592a95
122831490
131880964
1410cd548
15a88699
hex7a7c6c

8027244 has 18 divisors (see below), whose sum is σ = 20291180. Its totient is φ = 2675736.

The previous prime is 8027237. The next prime is 8027249. The reversal of 8027244 is 4427208.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8027249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111454 + ... + 111525.

Almost surely, 28027244 is an apocalyptic number.

It is an amenable number.

8027244 is an abundant number, since it is smaller than the sum of its proper divisors (12263936).

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

8027244 is a wasteful number, since it uses less digits than its factorization.

8027244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222989 (or 222984 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 8027244 is about 2833.2391356890. The cubic root of 8027244 is about 200.2267760992.

The spelling of 8027244 in words is "eight million, twenty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 222979 445958 668937 891916 1337874 2006811 2675748 4013622 8027244