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2442141989 = 7348877427
BaseRepresentation
bin1001000110010000…
…0010000100100101
320022012022200000022
42101210002010211
520000142020424
61042155324525
7114342602330
oct22144020445
96265280008
102442141989
111043586471
12581a50745
132cbc52441
141924ad617
15e45ec95e
hex91902125

2442141989 has 4 divisors (see below), whose sum is σ = 2791019424. Its totient is φ = 2093264556.

The previous prime is 2442141979. The next prime is 2442142007. The reversal of 2442141989 is 9891412442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2442141989 - 24 = 2442141973 is a prime.

It is a super-2 number, since 2×24421419892 = 11928114988873752242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442141979) 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, 174438707 + ... + 174438720.

It is an arithmetic number, because the mean of its divisors is an integer number (697754856).

Almost surely, 22442141989 is an apocalyptic number.

It is an amenable number.

2442141989 is a deficient number, since it is larger than the sum of its proper divisors (348877435).

2442141989 is an equidigital number, since it uses as much as digits as its factorization.

2442141989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348877434.

The product of its digits is 165888, while the sum is 44.

The square root of 2442141989 is about 49418.0330345108. The cubic root of 2442141989 is about 1346.6569296900.

The spelling of 2442141989 in words is "two billion, four hundred forty-two million, one hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 7 348877427 2442141989