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2868361 = 2998909
BaseRepresentation
bin1010111100010010001001
312101201122121
422330102021
51213241421
6141251241
733244366
oct12742211
95351577
102868361
11168a051
12b63b21
13795772
1454946d
153b9d41
hex2bc489

2868361 has 4 divisors (see below), whose sum is σ = 2967300. Its totient is φ = 2769424.

The previous prime is 2868343. The next prime is 2868367. The reversal of 2868361 is 1638682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 783225 = 1444^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868361 - 215 = 2835593 is a prime.

It is a Duffinian number.

2868361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2868367) 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, 49426 + ... + 49483.

It is an arithmetic number, because the mean of its divisors is an integer number (741825).

22868361 is an apocalyptic number.

It is an amenable number.

2868361 is a deficient number, since it is larger than the sum of its proper divisors (98939).

2868361 is an equidigital number, since it uses as much as digits as its factorization.

2868361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98938.

The product of its digits is 13824, while the sum is 34.

The square root of 2868361 is about 1693.6236299721. The cubic root of 2868361 is about 142.0838128502.

The spelling of 2868361 in words is "two million, eight hundred sixty-eight thousand, three hundred sixty-one".

Divisors: 1 29 98909 2868361