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2897244 = 2232711497
BaseRepresentation
bin1011000011010101011100
312110012021100
423003111130
51220202434
6142033100
733424530
oct13032534
95405240
102897244
1116a9819
12b78790
137a595c
14555bc0
153c3699
hex2c355c

2897244 has 36 divisors (see below), whose sum is σ = 8370544. Its totient is φ = 827712.

The previous prime is 2897227. The next prime is 2897249. The reversal of 2897244 is 4427982.

2897244 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2 + 8 + 96 + 74 + 221 + 46 + 49 .

It is a junction number, because it is equal to n+sod(n) for n = 2897199 and 2897208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897249) 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 11 ways as a sum of consecutive naturals, for example, 5497 + ... + 6000.

22897244 is an apocalyptic number.

It is an amenable number.

2897244 is an abundant number, since it is smaller than the sum of its proper divisors (5473300).

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

2897244 is a wasteful number, since it uses less digits than its factorization.

2897244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514 (or 11509 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2897244 is about 1702.1292547865. The cubic root of 2897244 is about 142.5591259720.

The spelling of 2897244 in words is "two million, eight hundred ninety-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 11497 22994 34491 45988 68982 80479 103473 137964 160958 206946 241437 321916 413892 482874 724311 965748 1448622 2897244