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2341405661 = 7247783789
BaseRepresentation
bin1000101110001111…
…0000001111011101
320001011202201202012
42023203300033131
514243344440121
61024200241005
7112010422400
oct21343601735
96034681665
102341405661
11aa1731801
12554170165
132b411174a
14182d69d37
15da84ec5b
hex8b8f03dd

2341405661 has 6 divisors (see below), whose sum is σ = 2723676030. Its totient is φ = 2006919096.

The previous prime is 2341405643. The next prime is 2341405667. The reversal of 2341405661 is 1665041432.

It can be written as a sum of positive squares in only one way, i.e., 1938640900 + 402764761 = 44030^2 + 20069^2 .

It is not a de Polignac number, because 2341405661 - 218 = 2341143517 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 (2341405667) 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 5 ways as a sum of consecutive naturals, for example, 23891846 + ... + 23891943.

It is an arithmetic number, because the mean of its divisors is an integer number (453946005).

Almost surely, 22341405661 is an apocalyptic number.

It is an amenable number.

2341405661 is a deficient number, since it is larger than the sum of its proper divisors (382270369).

2341405661 is an equidigital number, since it uses as much as digits as its factorization.

2341405661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47783803 (or 47783796 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2341405661 is about 48388.0735409047. The cubic root of 2341405661 is about 1327.8801780545.

The spelling of 2341405661 in words is "two billion, three hundred forty-one million, four hundred five thousand, six hundred sixty-one".

Divisors: 1 7 49 47783789 334486523 2341405661