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2642828 = 222922783
BaseRepresentation
bin1010000101001110001100
311222021021112
422011032030
51134032303
6132351152
731315016
oct12051614
94867245
102642828
111545661
12a754b8
13716c06
144cb1b6
153730d8
hex28538c

2642828 has 12 divisors (see below), whose sum is σ = 4784640. Its totient is φ = 1275792.

The previous prime is 2642821. The next prime is 2642839. The reversal of 2642828 is 8282462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2642794 and 2642803.

It is not an unprimeable number, because it can be changed into a prime (2642821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11276 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (398720).

22642828 is an apocalyptic number.

It is an amenable number.

2642828 is a deficient number, since it is larger than the sum of its proper divisors (2141812).

2642828 is a wasteful number, since it uses less digits than its factorization.

2642828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22816 (or 22814 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 2642828 is about 1625.6777048357. The cubic root of 2642828 is about 138.2577971834.

The spelling of 2642828 in words is "two million, six hundred forty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 29 58 116 22783 45566 91132 660707 1321414 2642828