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2798897 = 173147113
BaseRepresentation
bin1010101011010100110001
312021012100212
422223110301
51204031042
6135553505
732535023
oct12532461
95235325
102798897
111641942
12b2b895
1376cc6a
1452c013
153a4482
hex2ab531

2798897 has 16 divisors (see below), whose sum is σ = 3151872. Its totient is φ = 2472960.

The previous prime is 2798869. The next prime is 2798899. The reversal of 2798897 is 7988972.

It is a happy number.

2798897 is nontrivially palindromic in base 9.

2798897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2798897 - 28 = 2798641 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798899) 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 15 ways as a sum of consecutive naturals, for example, 24713 + ... + 24825.

It is an arithmetic number, because the mean of its divisors is an integer number (196992).

22798897 is an apocalyptic number.

It is an amenable number.

2798897 is a deficient number, since it is larger than the sum of its proper divisors (352975).

2798897 is a wasteful number, since it uses less digits than its factorization.

2798897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its digits is 508032, while the sum is 50.

The square root of 2798897 is about 1672.9904363146. The cubic root of 2798897 is about 140.9274646617.

The spelling of 2798897 in words is "two million, seven hundred ninety-eight thousand, eight hundred ninety-seven".

Divisors: 1 17 31 47 113 527 799 1457 1921 3503 5311 24769 59551 90287 164641 2798897