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385616063 = 755088009
BaseRepresentation
bin10110111111000…
…000100010111111
3222212121022210102
4112333000202333
51242204203223
6102133031315
712361453040
oct2677004277
9885538712
10385616063
11188741068
12a918553b
1361b764b1
14392dc8c7
1523cc1928
hex16fc08bf

385616063 has 4 divisors (see below), whose sum is σ = 440704080. Its totient is φ = 330528048.

The previous prime is 385616057. The next prime is 385616071. The reversal of 385616063 is 360616583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385616063 - 28 = 385615807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385616663) 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 in 3 ways as a sum of consecutive naturals, for example, 27543998 + ... + 27544011.

It is an arithmetic number, because the mean of its divisors is an integer number (110176020).

Almost surely, 2385616063 is an apocalyptic number.

385616063 is a deficient number, since it is larger than the sum of its proper divisors (55088017).

385616063 is an equidigital number, since it uses as much as digits as its factorization.

385616063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55088016.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 385616063 is about 19637.1093341153. The cubic root of 385616063 is about 727.8664563793.

The spelling of 385616063 in words is "three hundred eighty-five million, six hundred sixteen thousand, sixty-three".

Divisors: 1 7 55088009 385616063