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2294697409 = 479032
BaseRepresentation
bin1000100011000110…
…0100110111000001
312220220212201001221
42020301210313001
514144420304114
61015411155041
7110602414624
oct21061446701
95826781057
102294697409
11a7832a144
125405a5a81
132a7539724
1417aa8bdbb
15d66c5524
hex88c64dc1

2294697409 has 3 divisors (see below), whose sum is σ = 2294745313. Its totient is φ = 2294649506.

The previous prime is 2294697371. The next prime is 2294697421. The reversal of 2294697409 is 9047964922.

It is a happy number.

The square root of 2294697409 is 47903.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2k-2294697409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2294697439) 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 2 ways as a sum of consecutive naturals, for example, 23952 + ... + 71854.

Almost surely, 22294697409 is an apocalyptic number.

2294697409 is the 47903-rd square number.

2294697409 is the 23952-nd centered octagonal number.

It is an amenable number.

2294697409 is a deficient number, since it is larger than the sum of its proper divisors (47904).

2294697409 is an frugal number, since it uses more digits than its factorization.

2294697409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95806 (or 47903 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The cubic root of 2294697409 is about 1318.9909278103.

The spelling of 2294697409 in words is "two billion, two hundred ninety-four million, six hundred ninety-seven thousand, four hundred nine".

Divisors: 1 47903 2294697409