Search a number
-
+
2299231 = 11209021
BaseRepresentation
bin1000110001010101011111
311022210221201
420301111133
51042033411
6121140331
725354204
oct10612537
94283851
102299231
1113304a0
1292a6a7
136266bc
1443bcab
153063c1
hex23155f

2299231 has 4 divisors (see below), whose sum is σ = 2508264. Its totient is φ = 2090200.

The previous prime is 2299229. The next prime is 2299249. The reversal of 2299231 is 1329922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2299231 - 21 = 2299229 is a prime.

It is a super-2 number, since 2×22992312 = 10572926382722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2299231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290231) 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, 104500 + ... + 104521.

It is an arithmetic number, because the mean of its divisors is an integer number (627066).

22299231 is an apocalyptic number.

2299231 is a deficient number, since it is larger than the sum of its proper divisors (209033).

2299231 is a wasteful number, since it uses less digits than its factorization.

2299231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209032.

The product of its digits is 1944, while the sum is 28.

The square root of 2299231 is about 1516.3215358228. The cubic root of 2299231 is about 131.9858991671.

The spelling of 2299231 in words is "two million, two hundred ninety-nine thousand, two hundred thirty-one".

Divisors: 1 11 209021 2299231