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379305889 is a prime number
BaseRepresentation
bin10110100110111…
…011111110100001
3222102201201212021
4112212323332201
51234100242024
6101345501441
712254022034
oct2646737641
9872651767
10379305889
11185121146
12a7041881
1360777271
143853901b
1523476de4
hex169bbfa1

379305889 has 2 divisors, whose sum is σ = 379305890. Its totient is φ = 379305888.

The previous prime is 379305851. The next prime is 379305893. The reversal of 379305889 is 988503973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318979600 + 60326289 = 17860^2 + 7767^2 .

It is a cyclic number.

It is not a de Polignac number, because 379305889 - 213 = 379297697 is a prime.

It is not a weakly prime, because it can be changed into another prime (379308889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189652944 + 189652945.

It is an arithmetic number, because the mean of its divisors is an integer number (189652945).

Almost surely, 2379305889 is an apocalyptic number.

It is an amenable number.

379305889 is a deficient number, since it is larger than the sum of its proper divisors (1).

379305889 is an equidigital number, since it uses as much as digits as its factorization.

379305889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 379305889 is about 19475.7769806496. The cubic root of 379305889 is about 723.8743619937.

The spelling of 379305889 in words is "three hundred seventy-nine million, three hundred five thousand, eight hundred eighty-nine".