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2228984 = 23278623
BaseRepresentation
bin1000100000001011111000
311012020120222
420200023320
51032311414
6115435212
724642332
oct10401370
94166528
102228984
11129273a
128b5b08
13600734
14420452
152e068e
hex2202f8

2228984 has 8 divisors (see below), whose sum is σ = 4179360. Its totient is φ = 1114488.

The previous prime is 2228983. The next prime is 2228987. The reversal of 2228984 is 4898222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139304 + ... + 139319.

It is an arithmetic number, because the mean of its divisors is an integer number (522420).

22228984 is an apocalyptic number.

It is an amenable number.

2228984 is a deficient number, since it is larger than the sum of its proper divisors (1950376).

2228984 is a wasteful number, since it uses less digits than its factorization.

2228984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278629 (or 278625 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 2228984 is about 1492.9782315895. The cubic root of 2228984 is about 130.6278113449.

The spelling of 2228984 in words is "two million, two hundred twenty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 278623 557246 1114492 2228984