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2442233431 = 11222021221
BaseRepresentation
bin1001000110010001…
…1000011001010111
320022012111022110001
42101210120121113
520000202432211
61042201312131
7114343433041
oct22144303127
96265438401
102442233431
111043639140
12581a95647
132cbc84c51
141924d4a91
15e4619ac1
hex91918657

2442233431 has 4 divisors (see below), whose sum is σ = 2664254664. Its totient is φ = 2220212200.

The previous prime is 2442233389. The next prime is 2442233441. The reversal of 2442233431 is 1343322442.

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 2442233431 - 27 = 2442233303 is a prime.

It is a super-2 number, since 2×24422334312 = 11929008262988063522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442233431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442233441) 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, 111010600 + ... + 111010621.

It is an arithmetic number, because the mean of its divisors is an integer number (666063666).

Almost surely, 22442233431 is an apocalyptic number.

2442233431 is a deficient number, since it is larger than the sum of its proper divisors (222021233).

2442233431 is a wasteful number, since it uses less digits than its factorization.

2442233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222021232.

The product of its digits is 13824, while the sum is 28.

The square root of 2442233431 is about 49418.9582144343. The cubic root of 2442233431 is about 1346.6737372667.

Adding to 2442233431 its reverse (1343322442), we get a palindrome (3785555873).

The spelling of 2442233431 in words is "two billion, four hundred forty-two million, two hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 11 222021221 2442233431