Search a number
-
+
2290895805 = 351113884217
BaseRepresentation
bin1000100010001100…
…0100101110111101
312220122201120020210
42020203010232331
514142432131210
61015153503033
7110525202342
oct21043045675
95818646223
102290895805
11a76172a20
1253b271a79
132a6808263
1417a37c7c9
15d61c3e20
hex888c4bbd

2290895805 has 16 divisors (see below), whose sum is σ = 3998654784. Its totient is φ = 1110737280.

The previous prime is 2290895791. The next prime is 2290895807. The reversal of 2290895805 is 5085980922.

It is not a de Polignac number, because 2290895805 - 215 = 2290863037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290895807) 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, 6941944 + ... + 6942273.

It is an arithmetic number, because the mean of its divisors is an integer number (249915924).

Almost surely, 22290895805 is an apocalyptic number.

It is an amenable number.

2290895805 is a deficient number, since it is larger than the sum of its proper divisors (1707758979).

2290895805 is a wasteful number, since it uses less digits than its factorization.

2290895805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884236.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 2290895805 is about 47863.3033231097. The cubic root of 2290895805 is about 1318.2621385072.

The spelling of 2290895805 in words is "two billion, two hundred ninety million, eight hundred ninety-five thousand, eight hundred five".

Divisors: 1 3 5 11 15 33 55 165 13884217 41652651 69421085 152726387 208263255 458179161 763631935 2290895805