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2272839 = 34911543
BaseRepresentation
bin1000101010111001000111
311021110202020
420222321013
51040212324
6120414223
725214232
oct10527107
94243666
102272839
111312688
12917373
1361769a
14432419
152ed679
hex22ae47

2272839 has 8 divisors (see below), whose sum is σ = 3038592. Its totient is φ = 1511160.

The previous prime is 2272819. The next prime is 2272843. The reversal of 2272839 is 9382722.

2272839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272839 - 211 = 2270791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272819) 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 7 ways as a sum of consecutive naturals, for example, 702 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (379824).

22272839 is an apocalyptic number.

2272839 is a deficient number, since it is larger than the sum of its proper divisors (765753).

2272839 is a wasteful number, since it uses less digits than its factorization.

2272839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its digits is 12096, while the sum is 33.

The square root of 2272839 is about 1507.5937781777. The cubic root of 2272839 is about 131.4789491476.

The spelling of 2272839 in words is "two million, two hundred seventy-two thousand, eight hundred thirty-nine".

Divisors: 1 3 491 1473 1543 4629 757613 2272839