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2798473 = 25710889
BaseRepresentation
bin1010101011001110001001
312021011210011
422223032021
51204022343
6135551521
732533546
oct12531611
95234704
102798473
111641597
12b2b5a1
1376ca02
1452bbcd
153a429d
hex2ab389

2798473 has 4 divisors (see below), whose sum is σ = 2809620. Its totient is φ = 2787328.

The previous prime is 2798461. The next prime is 2798503. The reversal of 2798473 is 3748972.

2798473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1471369 + 1327104 = 1213^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798473 - 29 = 2797961 is a prime.

It is a super-2 number, since 2×27984732 = 15662902263458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2792473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5188 + ... + 5701.

It is an arithmetic number, because the mean of its divisors is an integer number (702405).

22798473 is an apocalyptic number.

It is an amenable number.

2798473 is a deficient number, since it is larger than the sum of its proper divisors (11147).

2798473 is a wasteful number, since it uses less digits than its factorization.

2798473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146.

The product of its digits is 84672, while the sum is 40.

The square root of 2798473 is about 1672.8637123209. The cubic root of 2798473 is about 140.9203480175.

The spelling of 2798473 in words is "two million, seven hundred ninety-eight thousand, four hundred seventy-three".

Divisors: 1 257 10889 2798473