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2281172 = 22836871
BaseRepresentation
bin1000101100111011010100
311021220011212
420230323110
51040444142
6120520552
725250435
oct10547324
94256155
102281172
111318973
12920158
1361b40a
1443548c
15300d82
hex22ced4

2281172 has 12 divisors (see below), whose sum is σ = 4040736. Its totient is φ = 1126680.

The previous prime is 2281151. The next prime is 2281183. The reversal of 2281172 is 2711822.

2281172 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 3 ways as a sum of consecutive naturals, for example, 3104 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (336728).

22281172 is an apocalyptic number.

It is an amenable number.

2281172 is a deficient number, since it is larger than the sum of its proper divisors (1759564).

2281172 is a wasteful number, since it uses less digits than its factorization.

2281172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958 (or 6956 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 2281172 is about 1510.3549251749. The cubic root of 2281172 is about 131.6394353412.

Adding to 2281172 its reverse (2711822), we get a palindrome (4992994).

The spelling of 2281172 in words is "two million, two hundred eighty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 83 166 332 6871 13742 27484 570293 1140586 2281172