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2442165439 = 7261817051
BaseRepresentation
bin1001000110010000…
…0111110010111111
320022012100212011211
42101210013302333
520000143243224
61042200025251
7114343030600
oct22144076277
96265325154
102442165439
1110435a204a
12581a62227
132cbc6000c
141924b7da7
15e4604894
hex91907cbf

2442165439 has 12 divisors (see below), whose sum is σ = 2887461768. Its totient is φ = 2058966000.

The previous prime is 2442165391. The next prime is 2442165457. The reversal of 2442165439 is 9345612442.

It is a happy number.

It is not a de Polignac number, because 2442165439 - 229 = 1905294527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442165469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405537 + ... + 411514.

It is an arithmetic number, because the mean of its divisors is an integer number (240621814).

Almost surely, 22442165439 is an apocalyptic number.

2442165439 is a deficient number, since it is larger than the sum of its proper divisors (445296329).

2442165439 is an equidigital number, since it uses as much as digits as its factorization.

2442165439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817126 (or 817119 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 2442165439 is about 49418.2702955091. The cubic root of 2442165439 is about 1346.6612399778.

The spelling of 2442165439 in words is "two billion, four hundred forty-two million, one hundred sixty-five thousand, four hundred thirty-nine".

Divisors: 1 7 49 61 427 2989 817051 5719357 40035499 49840111 348880777 2442165439