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2279242 = 27712293
BaseRepresentation
bin1000101100011101001010
311021210112101
420230131022
51040413432
6120504014
725242010
oct10543512
94253471
102279242
111317479
1291b00a
1361a584
144348b0
153004e7
hex22c74a

2279242 has 16 divisors (see below), whose sum is σ = 3964032. Its totient is φ = 962640.

The previous prime is 2279239. The next prime is 2279243. The reversal of 2279242 is 2429722.

It is a d-powerful number, because it can be written as 28 + 210 + 76 + 95 + 212 + 42 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 2279242.

It is not an unprimeable number, because it can be changed into a prime (2279243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (247752).

22279242 is an apocalyptic number.

2279242 is a deficient number, since it is larger than the sum of its proper divisors (1684790).

2279242 is a wasteful number, since it uses less digits than its factorization.

2279242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its digits is 4032, while the sum is 28.

The square root of 2279242 is about 1509.7158673075. The cubic root of 2279242 is about 131.6023000741.

The spelling of 2279242 in words is "two million, two hundred seventy-nine thousand, two hundred forty-two".

Divisors: 1 2 7 14 71 142 497 994 2293 4586 16051 32102 162803 325606 1139621 2279242