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2897133 = 3965711
BaseRepresentation
bin1011000011010011101101
312110012010020
423003103231
51220202013
6142032353
733424311
oct13032355
95405106
102897133
1116a9728
12b786b9
137a58a5
14555b41
153c3623
hex2c34ed

2897133 has 4 divisors (see below), whose sum is σ = 3862848. Its totient is φ = 1931420.

The previous prime is 2897131. The next prime is 2897171. The reversal of 2897133 is 3317982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2897133 - 21 = 2897131 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2897094 and 2897103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482853 + ... + 482858.

It is an arithmetic number, because the mean of its divisors is an integer number (965712).

22897133 is an apocalyptic number.

It is an amenable number.

2897133 is a deficient number, since it is larger than the sum of its proper divisors (965715).

2897133 is an equidigital number, since it uses as much as digits as its factorization.

2897133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965714.

The product of its digits is 9072, while the sum is 33.

The square root of 2897133 is about 1702.0966482547. The cubic root of 2897133 is about 142.5573053607.

The spelling of 2897133 in words is "two million, eight hundred ninety-seven thousand, one hundred thirty-three".

Divisors: 1 3 965711 2897133