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385235263 = 755033609
BaseRepresentation
bin10110111101100…
…011100100111111
3222211212222102201
4112331203210333
51242110012023
6102120532331
712355305610
oct2675434477
9884788381
10385235263
11188500a56
12a90210a7
1361a7207a
143923dc07
1523c48bad
hex16f6393f

385235263 has 4 divisors (see below), whose sum is σ = 440268880. Its totient is φ = 330201648.

The previous prime is 385235261. The next prime is 385235281. The reversal of 385235263 is 362532583.

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

It is not a de Polignac number, because 385235263 - 21 = 385235261 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 (385235261) 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 in 3 ways as a sum of consecutive naturals, for example, 27516798 + ... + 27516811.

It is an arithmetic number, because the mean of its divisors is an integer number (110067220).

Almost surely, 2385235263 is an apocalyptic number.

385235263 is a deficient number, since it is larger than the sum of its proper divisors (55033617).

385235263 is an equidigital number, since it uses as much as digits as its factorization.

385235263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55033616.

The product of its digits is 129600, while the sum is 37.

The square root of 385235263 is about 19627.4110111344. The cubic root of 385235263 is about 727.6267854908.

The spelling of 385235263 in words is "three hundred eighty-five million, two hundred thirty-five thousand, two hundred sixty-three".

Divisors: 1 7 55033609 385235263