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2289994379 = 2399564973
BaseRepresentation
bin1000100001111110…
…1000101010001011
312220121000202201122
42020133220222023
514142214310004
61015122305455
7110514426311
oct21037505213
95817022648
102289994379
11a75707742
1253aab828b
132a6580b7a
1417a1c60b1
15d6096cbe
hex887e8a8b

2289994379 has 4 divisors (see below), whose sum is σ = 2389559376. Its totient is φ = 2190429384.

The previous prime is 2289994349. The next prime is 2289994391. The reversal of 2289994379 is 9734999822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9734999822 = 24867499911.

It is a cyclic number.

It is not a de Polignac number, because 2289994379 - 228 = 2021558923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289994349) 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, 49782464 + ... + 49782509.

It is an arithmetic number, because the mean of its divisors is an integer number (597389844).

Almost surely, 22289994379 is an apocalyptic number.

2289994379 is a deficient number, since it is larger than the sum of its proper divisors (99564997).

2289994379 is an equidigital number, since it uses as much as digits as its factorization.

2289994379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99564996.

The product of its digits is 17635968, while the sum is 62.

The square root of 2289994379 is about 47853.8857251948. The cubic root of 2289994379 is about 1318.0892117336.

The spelling of 2289994379 in words is "two billion, two hundred eighty-nine million, nine hundred ninety-four thousand, three hundred seventy-nine".

Divisors: 1 23 99564973 2289994379