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2865041 = 23124567
BaseRepresentation
bin1010111011011110010001
312101120002122
422323132101
51213140131
6141224025
733231614
oct12733621
95346078
102865041
111687603
12b62015
137940ba
1454817b
153b8d7b
hex2bb791

2865041 has 4 divisors (see below), whose sum is σ = 2989632. Its totient is φ = 2740452.

The previous prime is 2865007. The next prime is 2865043. The reversal of 2865041 is 1405682.

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 2865041 - 26 = 2864977 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2865041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62261 + ... + 62306.

It is an arithmetic number, because the mean of its divisors is an integer number (747408).

22865041 is an apocalyptic number.

It is an amenable number.

2865041 is a deficient number, since it is larger than the sum of its proper divisors (124591).

2865041 is a wasteful number, since it uses less digits than its factorization.

2865041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124590.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2865041 is about 1692.6431992597. The cubic root of 2865041 is about 142.0289731266.

The spelling of 2865041 in words is "two million, eight hundred sixty-five thousand, forty-one".

Divisors: 1 23 124567 2865041