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2279668 = 222371349
BaseRepresentation
bin1000101100100011110100
311021211010011
420230203310
51040422133
6120510004
725243156
oct10544364
94254104
102279668
111317826
1291b304
1361a821
14434ad6
153006cd
hex22c8f4

2279668 has 24 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 1071840.

The previous prime is 2279663. The next prime is 2279687. The reversal of 2279668 is 8669722.

2279668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2279668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279663) 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, 6358 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

22279668 is an apocalyptic number.

It is an amenable number.

2279668 is a deficient number, since it is larger than the sum of its proper divisors (1953932).

2279668 is a wasteful number, since it uses less digits than its factorization.

2279668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 2279668 is about 1509.8569468662. The cubic root of 2279668 is about 131.6104985727.

The spelling of 2279668 in words is "two million, two hundred seventy-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 23 46 71 92 142 284 349 698 1396 1633 3266 6532 8027 16054 24779 32108 49558 99116 569917 1139834 2279668