[go: up one dir, main page]

Search a number
-
+
2223873 = 321032399
BaseRepresentation
bin1000011110111100000001
311011222120200
420132330001
51032130443
6115355413
724621411
oct10367401
94158520
102223873
111289913
128b2b69
135cb302
1441c641
152dddd3
hex21ef01

2223873 has 12 divisors (see below), whose sum is σ = 3244800. Its totient is φ = 1467576.

The previous prime is 2223869. The next prime is 2223883. The reversal of 2223873 is 3783222.

It is not a de Polignac number, because 2223873 - 22 = 2223869 is a prime.

It is a super-2 number, since 2×22238732 = 9891222240258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 22 + 28 + 221 + 37 + 82 + 76 + 38 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2223833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (270400).

22223873 is an apocalyptic number.

It is an amenable number.

2223873 is a deficient number, since it is larger than the sum of its proper divisors (1020927).

2223873 is a wasteful number, since it uses less digits than its factorization.

2223873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2505 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2223873 is about 1491.2655699103. The cubic root of 2223873 is about 130.5278929236.

It can be divided in two parts, 222 and 3873, that added together give a triangular number (4095 = T90).

The spelling of 2223873 in words is "two million, two hundred twenty-three thousand, eight hundred seventy-three".

Divisors: 1 3 9 103 309 927 2399 7197 21591 247097 741291 2223873