Search a number
-
+
22410261 = 322490029
BaseRepresentation
bin101010101111…
…1010000010101
31120011120002200
41111133100111
521214112021
62120155113
7361325016
oct125372025
946146080
1022410261
1111717185
127608a99
134848513
142d9500d
151e7a126
hex155f415

22410261 has 6 divisors (see below), whose sum is σ = 32370390. Its totient is φ = 14940168.

The previous prime is 22410259. The next prime is 22410277. The reversal of 22410261 is 16201422.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 367236 = 4695^2 + 606^2 .

It is not a de Polignac number, because 22410261 - 21 = 22410259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22410281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245006 + ... + 1245023.

It is an arithmetic number, because the mean of its divisors is an integer number (5395065).

Almost surely, 222410261 is an apocalyptic number.

It is an amenable number.

22410261 is a deficient number, since it is larger than the sum of its proper divisors (9960129).

22410261 is a wasteful number, since it uses less digits than its factorization.

22410261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490035 (or 2490032 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22410261 is about 4733.9477183425. The cubic root of 22410261 is about 281.9349857668.

Adding to 22410261 its reverse (16201422), we get a palindrome (38611683).

The spelling of 22410261 in words is "twenty-two million, four hundred ten thousand, two hundred sixty-one".

Divisors: 1 3 9 2490029 7470087 22410261