Search a number
-
+
2286940 = 225293943
BaseRepresentation
bin1000101110010101011100
311022012002111
420232111130
51041140230
6121003404
725303315
oct10562534
94265074
102286940
111322237
12923564
13620c26
1443760c
1530292a
hex22e55c

2286940 has 24 divisors (see below), whose sum is σ = 4969440. Its totient is φ = 883008.

The previous prime is 2286883. The next prime is 2286953. The reversal of 2286940 is 496822.

2286940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1392 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (207060).

22286940 is an apocalyptic number.

2286940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2286940 is an abundant number, since it is smaller than the sum of its proper divisors (2682500).

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

2286940 is a wasteful number, since it uses less digits than its factorization.

2286940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2286940 is about 1512.2632046043. The cubic root of 2286940 is about 131.7502931508.

The spelling of 2286940 in words is "two million, two hundred eighty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 3943 7886 15772 19715 39430 78860 114347 228694 457388 571735 1143470 2286940