Search a number
-
+
2442240331 = 7333455347
BaseRepresentation
bin1001000110010001…
…1010000101001011
320022012111122220121
42101210122011023
520000203142311
61042201404111
7114343462126
oct22144320513
96265448817
102442240331
111043643343
12581a99637
132cbc8812b
141924d73bd
15e461bb71
hex9191a14b

2442240331 has 4 divisors (see below), whose sum is σ = 2475695752. Its totient is φ = 2408784912.

The previous prime is 2442240319. The next prime is 2442240337. The reversal of 2442240331 is 1330422442.

It is a happy number.

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 2442240331 - 25 = 2442240299 is a prime.

It is a super-2 number, since 2×24422403312 = 11929075668725979122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2442240296 and 2442240305.

It is not an unprimeable number, because it can be changed into a prime (2442240337) 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 3 ways as a sum of consecutive naturals, for example, 16727601 + ... + 16727746.

It is an arithmetic number, because the mean of its divisors is an integer number (618923938).

Almost surely, 22442240331 is an apocalyptic number.

2442240331 is a deficient number, since it is larger than the sum of its proper divisors (33455421).

2442240331 is an equidigital number, since it uses as much as digits as its factorization.

2442240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33455420.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2442240331 is about 49419.0280256502. The cubic root of 2442240331 is about 1346.6750055102.

Adding to 2442240331 its reverse (1330422442), we get a palindrome (3772662773).

The spelling of 2442240331 in words is "two billion, four hundred forty-two million, two hundred forty thousand, three hundred thirty-one".

Divisors: 1 73 33455347 2442240331