Search a number
-
+
2856422 = 21975169
BaseRepresentation
bin1010111001010111100110
312101010021102
422321113212
51212401142
6141120102
733164522
oct12712746
95333242
102856422
111681088
12b59032
137901ba
14544d82
153b6532
hex2b95e6

2856422 has 8 divisors (see below), whose sum is σ = 4510200. Its totient is φ = 1353024.

The previous prime is 2856421. The next prime is 2856431. The reversal of 2856422 is 2246582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856421) 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, 37547 + ... + 37622.

It is an arithmetic number, because the mean of its divisors is an integer number (563775).

22856422 is an apocalyptic number.

2856422 is a deficient number, since it is larger than the sum of its proper divisors (1653778).

2856422 is a wasteful number, since it uses less digits than its factorization.

2856422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75190.

The product of its digits is 7680, while the sum is 29.

The square root of 2856422 is about 1690.0952635872. The cubic root of 2856422 is about 141.8864065428.

The spelling of 2856422 in words is "two million, eight hundred fifty-six thousand, four hundred twenty-two".

Divisors: 1 2 19 38 75169 150338 1428211 2856422