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2442400231 is a prime number
BaseRepresentation
bin1001000110010100…
…0001000111100111
320022012210210020211
42101211001013213
520000223301411
61042205040251
7114345026245
oct22145010747
96265723224
102442400231
111043742497
12581b56087
132cc012b4b
14192539795
15e464e221
hex919411e7

2442400231 has 2 divisors, whose sum is σ = 2442400232. Its totient is φ = 2442400230.

The previous prime is 2442400171. The next prime is 2442400249. The reversal of 2442400231 is 1320042442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2442400231 - 225 = 2408845799 is a prime.

It is a super-2 number, since 2×24424002312 = 11930637776777706722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442400031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221200115 + 1221200116.

It is an arithmetic number, because the mean of its divisors is an integer number (1221200116).

Almost surely, 22442400231 is an apocalyptic number.

2442400231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442400231 is an equidigital number, since it uses as much as digits as its factorization.

2442400231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2442400231 is about 49420.6457970755. The cubic root of 2442400231 is about 1346.7043950057.

Adding to 2442400231 its reverse (1320042442), we get a palindrome (3762442673).

The spelling of 2442400231 in words is "two billion, four hundred forty-two million, four hundred thousand, two hundred thirty-one".