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2442142444 = 22787219373
BaseRepresentation
bin1001000110010000…
…0010001011101100
320022012022200122011
42101210002023230
520000142024234
61042155331004
7114342603550
oct22144021354
96265280564
102442142444
111043586845
12581a50a64
132cbc52701
141924ad860
15e45ecb64
hex919022ec

2442142444 has 12 divisors (see below), whose sum is σ = 4884284944. Its totient is φ = 1046632464.

The previous prime is 2442142441. The next prime is 2442142453. The reversal of 2442142444 is 4442412442.

It is a happy number.

2442142444 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2442142441) 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, 43609659 + ... + 43609714.

Almost surely, 22442142444 is an apocalyptic number.

It is an amenable number.

2442142444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2442142444 is a wasteful number, since it uses less digits than its factorization.

2442142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87219384 (or 87219382 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 2442142444 is about 49418.0376380932. The cubic root of 2442142444 is about 1346.6570133227.

Adding to 2442142444 its reverse (4442412442), we get a palindrome (6884554886).

The spelling of 2442142444 in words is "two billion, four hundred forty-two million, one hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 87219373 174438746 348877492 610535611 1221071222 2442142444