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2442131 = 8272953
BaseRepresentation
bin1001010100001110010011
311121001222022
421110032103
51111122011
6124202055
726520626
oct11241623
94531868
102442131
11141889a
1299932b
13676763
14477dbd
153338db
hex254393

2442131 has 4 divisors (see below), whose sum is σ = 2445912. Its totient is φ = 2438352.

The previous prime is 2442113. The next prime is 2442133. The reversal of 2442131 is 1312442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312442 = 2656221.

It is a cyclic number.

It is not a de Polignac number, because 2442131 - 210 = 2441107 is a prime.

It is a super-2 number, since 2×24421312 = 11928007642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442133) 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, 650 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (611478).

22442131 is an apocalyptic number.

2442131 is a deficient number, since it is larger than the sum of its proper divisors (3781).

2442131 is an equidigital number, since it uses as much as digits as its factorization.

2442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780.

The product of its digits is 192, while the sum is 17.

The square root of 2442131 is about 1562.7319027908. The cubic root of 2442131 is about 134.6654909819.

Adding to 2442131 its reverse (1312442), we get a palindrome (3754573).

The spelling of 2442131 in words is "two million, four hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 827 2953 2442131