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2729868 = 223227489
BaseRepresentation
bin1010011010011110001100
312010200200020
422122132030
51144323433
6134302140
732126541
oct12323614
95120606
102729868
1115a4a99
12ab7950
1374770b
14510bc8
1538dcb3
hex29a78c

2729868 has 12 divisors (see below), whose sum is σ = 6369720. Its totient is φ = 909952.

The previous prime is 2729861. The next prime is 2729869. The reversal of 2729868 is 8689272.

It is a happy number.

2729868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2729861) by changing a digit.

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, 113733 + ... + 113756.

It is an arithmetic number, because the mean of its divisors is an integer number (530810).

22729868 is an apocalyptic number.

It is an amenable number.

2729868 is an abundant number, since it is smaller than the sum of its proper divisors (3639852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2729868 is a wasteful number, since it uses less digits than its factorization.

2729868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227496 (or 227494 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 2729868 is about 1652.2312186858. The cubic root of 2729868 is about 139.7592460838.

The spelling of 2729868 in words is "two million, seven hundred twenty-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 227489 454978 682467 909956 1364934 2729868