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234873985 = 5591017883
BaseRepresentation
bin11011111111111…
…10010010000001
3121100221211112111
431333332102001
5440111431420
635150055321
75551252543
oct1577762201
9540854474
10234873985
11110642335
12667aa541
13398778b8
142329d693
151594745a
hexdffe481

234873985 has 16 divisors (see below), whose sum is σ = 289500480. Its totient is φ = 182862400.

The previous prime is 234873983. The next prime is 234874009. The reversal of 234873985 is 589378432.

It is not a de Polignac number, because 234873985 - 21 = 234873983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234873983) 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 15 ways as a sum of consecutive naturals, for example, 25854 + ... + 33736.

It is an arithmetic number, because the mean of its divisors is an integer number (18093780).

Almost surely, 2234873985 is an apocalyptic number.

It is an amenable number.

234873985 is a deficient number, since it is larger than the sum of its proper divisors (54626495).

234873985 is a wasteful number, since it uses less digits than its factorization.

234873985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048.

The product of its digits is 1451520, while the sum is 49.

The square root of 234873985 is about 15325.5990095004. The cubic root of 234873985 is about 616.9902561095.

It can be divided in two parts, 23487 and 3985, that added together give a palindrome (27472).

The spelling of 234873985 in words is "two hundred thirty-four million, eight hundred seventy-three thousand, nine hundred eighty-five".

Divisors: 1 5 59 101 295 505 5959 7883 29795 39415 465097 796183 2325485 3980915 46974797 234873985