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2800012 = 223718919
BaseRepresentation
bin1010101011100110001100
312021020220011
422223212030
51204100022
6140003004
732541205
oct12534614
95236804
102800012
111642766
12b30464
13770617
1452c5ac
153a4977
hex2ab98c

2800012 has 12 divisors (see below), whose sum is σ = 5032720. Its totient is φ = 1362096.

The previous prime is 2800003. The next prime is 2800033. The reversal of 2800012 is 2100082.

2800012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2799965 and 2800001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312 + ... + 9607.

22800012 is an apocalyptic number.

It is an amenable number.

2800012 is a deficient number, since it is larger than the sum of its proper divisors (2232708).

2800012 is a wasteful number, since it uses less digits than its factorization.

2800012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960 (or 18958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2800012 is about 1673.3236387501. The cubic root of 2800012 is about 140.9461759924.

Adding to 2800012 its reverse (2100082), we get a palindrome (4900094).

The spelling of 2800012 in words is "two million, eight hundred thousand, twelve".

Divisors: 1 2 4 37 74 148 18919 37838 75676 700003 1400006 2800012