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386883197 is a prime number
BaseRepresentation
bin10111000011110…
…101111001111101
3222221222200222022
4113003311321331
51243020230242
6102220125525
712405311231
oct2703657175
9887880868
10386883197
11189427088
12a96968a5
13621cb18c
143954c5c1
1523e720d2
hex170f5e7d

386883197 has 2 divisors, whose sum is σ = 386883198. Its totient is φ = 386883196.

The previous prime is 386883191. The next prime is 386883269. The reversal of 386883197 is 791388683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378925156 + 7958041 = 19466^2 + 2821^2 .

It is a cyclic number.

It is not a de Polignac number, because 386883197 - 24 = 386883181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386883191) 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, 193441598 + 193441599.

It is an arithmetic number, because the mean of its divisors is an integer number (193441599).

Almost surely, 2386883197 is an apocalyptic number.

It is an amenable number.

386883197 is a deficient number, since it is larger than the sum of its proper divisors (1).

386883197 is an equidigital number, since it uses as much as digits as its factorization.

386883197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 386883197 is about 19669.3466337853. The cubic root of 386883197 is about 728.6628408599.

The spelling of 386883197 in words is "three hundred eighty-six million, eight hundred eighty-three thousand, one hundred ninety-seven".