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2918868 = 223243239
BaseRepresentation
bin1011001000100111010100
312111021221020
423020213110
51221400433
6142321140
733544551
oct13104724
95437836
102918868
111713a97
12b891b0
137b2754
1455da28
153c9cb3
hex2c89d4

2918868 has 12 divisors (see below), whose sum is σ = 6810720. Its totient is φ = 972952.

The previous prime is 2918857. The next prime is 2918873. The reversal of 2918868 is 8688192.

2918868 is digitally balanced in base 5, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121608 + ... + 121631.

It is an arithmetic number, because the mean of its divisors is an integer number (567560).

22918868 is an apocalyptic number.

It is an amenable number.

2918868 is an abundant number, since it is smaller than the sum of its proper divisors (3891852).

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

2918868 is a wasteful number, since it uses less digits than its factorization.

2918868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243246 (or 243244 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 2918868 is about 1708.4694905090. The cubic root of 2918868 is about 142.9129174596.

The spelling of 2918868 in words is "two million, nine hundred eighteen thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 243239 486478 729717 972956 1459434 2918868