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386196469 is a prime number
BaseRepresentation
bin10111000001001…
…110001111110101
3222220200210221221
4113001032033311
51242331241334
6102153310341
712366421141
oct2701161765
9886623857
10386196469
11188aa813a
12a94053b1
136201a729
1439410221
1523d888b4
hex1704e3f5

386196469 has 2 divisors, whose sum is σ = 386196470. Its totient is φ = 386196468.

The previous prime is 386196467. The next prime is 386196553. The reversal of 386196469 is 964691683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336282244 + 49914225 = 18338^2 + 7065^2 .

It is an emirp because it is prime and its reverse (964691683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386196469 - 21 = 386196467 is a prime.

It is a super-2 number, since 2×3861964692 = 298295425336135922, which contains 22 as substring.

Together with 386196467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386196467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193098234 + 193098235.

It is an arithmetic number, because the mean of its divisors is an integer number (193098235).

Almost surely, 2386196469 is an apocalyptic number.

It is an amenable number.

386196469 is a deficient number, since it is larger than the sum of its proper divisors (1).

386196469 is an equidigital number, since it uses as much as digits as its factorization.

386196469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The square root of 386196469 is about 19651.8820727176. The cubic root of 386196469 is about 728.2314535213.

The spelling of 386196469 in words is "three hundred eighty-six million, one hundred ninety-six thousand, four hundred sixty-nine".