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2850069 = 3950023
BaseRepresentation
bin1010110111110100010101
312100210120010
422313310111
51212200234
6141030433
733140145
oct12676425
95323503
102850069
111677332
12b55419
1378a341
14542925
153b46e9
hex2b7d15

2850069 has 4 divisors (see below), whose sum is σ = 3800096. Its totient is φ = 1900044.

The previous prime is 2850061. The next prime is 2850079. The reversal of 2850069 is 9600582.

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 not a de Polignac number, because 2850069 - 23 = 2850061 is a prime.

It is a super-2 number, since 2×28500692 = 16245786609522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850061) 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, 475009 + ... + 475014.

It is an arithmetic number, because the mean of its divisors is an integer number (950024).

22850069 is an apocalyptic number.

It is an amenable number.

2850069 is a deficient number, since it is larger than the sum of its proper divisors (950027).

2850069 is an equidigital number, since it uses as much as digits as its factorization.

2850069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950026.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2850069 is about 1688.2147375260. The cubic root of 2850069 is about 141.7811380820.

The spelling of 2850069 in words is "two million, eight hundred fifty thousand, sixty-nine".

Divisors: 1 3 950023 2850069