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2992489 = 7340993
BaseRepresentation
bin1011011010100101101001
312122000220221
423122211221
51231224424
6144050041
734302313
oct13324551
95560827
102992489
111764335
121003921
1380a106
1457c7b3
153e19e4
hex2da969

2992489 has 4 divisors (see below), whose sum is σ = 3033556. Its totient is φ = 2951424.

The previous prime is 2992453. The next prime is 2992513. The reversal of 2992489 is 9842992.

It is a happy number.

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 1010025 + 1982464 = 1005^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992489 - 27 = 2992361 is a prime.

It is a Duffinian number.

2992489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2992589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20424 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (758389).

22992489 is an apocalyptic number.

It is an amenable number.

2992489 is a deficient number, since it is larger than the sum of its proper divisors (41067).

2992489 is an equidigital number, since it uses as much as digits as its factorization.

2992489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41066.

The product of its digits is 93312, while the sum is 43.

The square root of 2992489 is about 1729.8812097945. The cubic root of 2992489 is about 144.1044927014.

It can be divided in two parts, 2992 and 489, that added together give a square (3481 = 592).

The spelling of 2992489 in words is "two million, nine hundred ninety-two thousand, four hundred eighty-nine".

Divisors: 1 73 40993 2992489