Search a number
-
+
2283056881 = 7397829991
BaseRepresentation
bin1000100000010100…
…1010111011110001
312220002222022021021
42020011022323301
514133430310011
61014313455441
7110401443340
oct21005127361
95802868237
102283056881
11a717a9476
12538711581
132a4cc2241
141792dbb57
15d5676471
hex8814aef1

2283056881 has 16 divisors (see below), whose sum is σ = 2621578240. Its totient is φ = 1947654720.

The previous prime is 2283056873. The next prime is 2283056899. The reversal of 2283056881 is 1886503822.

It is a cyclic number.

It is not a de Polignac number, because 2283056881 - 23 = 2283056873 is a prime.

It is a super-2 number, since 2×22830568812 = 10424697443762896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2283056851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2303296 + ... + 2304286.

It is an arithmetic number, because the mean of its divisors is an integer number (163848640).

Almost surely, 22283056881 is an apocalyptic number.

It is an amenable number.

2283056881 is a deficient number, since it is larger than the sum of its proper divisors (338521359).

2283056881 is an equidigital number, since it uses as much as digits as its factorization.

2283056881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2283056881 is about 47781.3444871531. The cubic root of 2283056881 is about 1316.7568225898.

The spelling of 2283056881 in words is "two billion, two hundred eighty-three million, fifty-six thousand, eight hundred eighty-one".

Divisors: 1 7 397 829 991 2779 5803 6937 329113 393427 821539 2303791 2753989 5750773 326150983 2283056881