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385454023 is a prime number
BaseRepresentation
bin10110111110011…
…000111111000111
3222212022002111221
4112332120333013
51242134012043
6102125341211
712360206443
oct2676307707
9885262457
10385454023
11188640349
12a9107807
1361b1a806
1439299823
1523c8d8ed
hex16f98fc7

385454023 has 2 divisors, whose sum is σ = 385454024. Its totient is φ = 385454022.

The previous prime is 385454011. The next prime is 385454071. The reversal of 385454023 is 320454583.

It is a weak prime.

It is an emirp because it is prime and its reverse (320454583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385454023 - 225 = 351899591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385454023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385454323) 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, 192727011 + 192727012.

It is an arithmetic number, because the mean of its divisors is an integer number (192727012).

Almost surely, 2385454023 is an apocalyptic number.

385454023 is a deficient number, since it is larger than the sum of its proper divisors (1).

385454023 is an equidigital number, since it uses as much as digits as its factorization.

385454023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 385454023 is about 19632.9830387539. The cubic root of 385454023 is about 727.7644896684.

The spelling of 385454023 in words is "three hundred eighty-five million, four hundred fifty-four thousand, twenty-three".