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2345474891 is a prime number
BaseRepresentation
bin1000101111001101…
…0001101101001011
320001110102110200102
42023303101231023
514300420144031
61024423400015
7112060131134
oct21363215513
96043373612
102345474891
11aa3a61001
125555b300b
132b4c07986
14183708c8b
15dada57cb
hex8bcd1b4b

2345474891 has 2 divisors, whose sum is σ = 2345474892. Its totient is φ = 2345474890.

The previous prime is 2345474867. The next prime is 2345474927. The reversal of 2345474891 is 1984745432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2345474891 is a prime.

It is a super-2 number, since 2×23454748912 = 11002504928622923762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2345474801) 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 as a sum of consecutive naturals, namely, 1172737445 + 1172737446.

It is an arithmetic number, because the mean of its divisors is an integer number (1172737446).

Almost surely, 22345474891 is an apocalyptic number.

2345474891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345474891 is an equidigital number, since it uses as much as digits as its factorization.

2345474891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 2345474891 is about 48430.1031487648. The cubic root of 2345474891 is about 1328.6489929406.

The spelling of 2345474891 in words is "two billion, three hundred forty-five million, four hundred seventy-four thousand, eight hundred ninety-one".