Search a number
-
+
2472269 = 6140529
BaseRepresentation
bin1001011011100101001101
311122121022112
421123211031
51113103034
6124553405
730004532
oct11334515
94577275
102472269
1114394a8
129b2865
136873a7
14484d89
1533c7ce
hex25b94d

2472269 has 4 divisors (see below), whose sum is σ = 2512860. Its totient is φ = 2431680.

The previous prime is 2472251. The next prime is 2472289. The reversal of 2472269 is 9622742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9622742 = 24811371.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 1295044 = 1085^2 + 1138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2472269 is a prime.

It is a super-2 number, since 2×24722692 = 12224228016722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472209) 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, 20204 + ... + 20325.

It is an arithmetic number, because the mean of its divisors is an integer number (628215).

22472269 is an apocalyptic number.

It is an amenable number.

2472269 is a deficient number, since it is larger than the sum of its proper divisors (40591).

2472269 is an equidigital number, since it uses as much as digits as its factorization.

2472269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40590.

The product of its digits is 12096, while the sum is 32.

The square root of 2472269 is about 1572.3450639093. The cubic root of 2472269 is about 135.2171904020.

The spelling of 2472269 in words is "two million, four hundred seventy-two thousand, two hundred sixty-nine".

Divisors: 1 61 40529 2472269