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2345400973 is a prime number
BaseRepresentation
bin1000101111001011…
…1111101010001101
320001110021201021201
42023302333222031
514300410312343
61024422025501
7112056402466
oct21362775215
96043251251
102345400973
11aa3a10513
12555578291
132b4bb0136
141836c9d6d
15dad8d94d
hex8bcbfa8d

2345400973 has 2 divisors, whose sum is σ = 2345400974. Its totient is φ = 2345400972.

The previous prime is 2345400931. The next prime is 2345400989. The reversal of 2345400973 is 3790045432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2336562244 + 8838729 = 48338^2 + 2973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2345400973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2345400923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172700486 + 1172700487.

It is an arithmetic number, because the mean of its divisors is an integer number (1172700487).

Almost surely, 22345400973 is an apocalyptic number.

It is an amenable number.

2345400973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345400973 is an equidigital number, since it uses as much as digits as its factorization.

2345400973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 2345400973 is about 48429.3400016973. The cubic root of 2345400973 is about 1328.6350352685.

The spelling of 2345400973 in words is "two billion, three hundred forty-five million, four hundred thousand, nine hundred seventy-three".