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2442667905 = 32554281509
BaseRepresentation
bin1001000110011000…
…0010011110000001
320022020022101102200
42101212002132001
520000310333110
61042214503413
7114350222526
oct22146023601
96266271380
102442667905
111043905607
12582064b69
132cc0a7932
141925a914d
15e46a36c0
hex91982781

2442667905 has 12 divisors (see below), whose sum is σ = 4233957780. Its totient is φ = 1302756192.

The previous prime is 2442667901. The next prime is 2442667907. The reversal of 2442667905 is 5097662442.

It can be written as a sum of positive squares in 2 ways, for example, as 814303296 + 1628364609 = 28536^2 + 40353^2 .

It is not a de Polignac number, because 2442667905 - 22 = 2442667901 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 54281509 = 2442667905 / (2 + 4 + 4 + 2 + 6 + 6 + 7 + 9 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (2442667901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27140710 + ... + 27140799.

It is an arithmetic number, because the mean of its divisors is an integer number (352829815).

Almost surely, 22442667905 is an apocalyptic number.

It is an amenable number.

2442667905 is a deficient number, since it is larger than the sum of its proper divisors (1791289875).

2442667905 is a wasteful number, since it uses less digits than its factorization.

2442667905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54281520 (or 54281517 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 2442667905 is about 49423.3538420856. The cubic root of 2442667905 is about 1346.7535904078.

The spelling of 2442667905 in words is "two billion, four hundred forty-two million, six hundred sixty-seven thousand, nine hundred five".

Divisors: 1 3 5 9 15 45 54281509 162844527 271407545 488533581 814222635 2442667905