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385246633 is a prime number
BaseRepresentation
bin10110111101100…
…110010110101001
3222211220120000211
4112331212112221
51242110343013
6102121101121
712355354012
oct2675462651
9884816024
10385246633
11188509552
12a90277a1
1361a772b5
1439244009
1523c4c23d
hex16f665a9

385246633 has 2 divisors, whose sum is σ = 385246634. Its totient is φ = 385246632.

The previous prime is 385246591. The next prime is 385246649. The reversal of 385246633 is 336642583.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353740864 + 31505769 = 18808^2 + 5613^2 .

It is a cyclic number.

It is not a de Polignac number, because 385246633 - 217 = 385115561 is a prime.

It is not a weakly prime, because it can be changed into another prime (385246663) 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, 192623316 + 192623317.

It is an arithmetic number, because the mean of its divisors is an integer number (192623317).

Almost surely, 2385246633 is an apocalyptic number.

It is an amenable number.

385246633 is a deficient number, since it is larger than the sum of its proper divisors (1).

385246633 is an equidigital number, since it uses as much as digits as its factorization.

385246633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 385246633 is about 19627.7006549417. The cubic root of 385246633 is about 727.6339439175.

The spelling of 385246633 in words is "three hundred eighty-five million, two hundred forty-six thousand, six hundred thirty-three".