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2897265 = 35741673
BaseRepresentation
bin1011000011010101110001
312110012022010
423003111301
51220203030
6142033133
733424560
oct13032561
95405263
102897265
1116a9838
12b787a9
137a5977
14555bd7
153c36b0
hex2c3571

2897265 has 32 divisors (see below), whose sum is σ = 5435136. Its totient is φ = 1290240.

The previous prime is 2897263. The next prime is 2897269. The reversal of 2897265 is 5627982.

It is a happy number.

2897265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2897265 - 21 = 2897263 is a prime.

It is a d-powerful number, because it can be written as 28 + 86 + 9 + 77 + 217 + 68 + 54 .

2897265 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897263) 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 31 ways as a sum of consecutive naturals, for example, 3969 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (169848).

22897265 is an apocalyptic number.

It is an amenable number.

2897265 is a deficient number, since it is larger than the sum of its proper divisors (2537871).

2897265 is a wasteful number, since it uses less digits than its factorization.

2897265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its digits is 60480, while the sum is 39.

The square root of 2897265 is about 1702.1354235195. The cubic root of 2897265 is about 142.5594704067.

The spelling of 2897265 in words is "two million, eight hundred ninety-seven thousand, two hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 41 105 123 205 287 615 673 861 1435 2019 3365 4305 4711 10095 14133 23555 27593 70665 82779 137965 193151 413895 579453 965755 2897265