Search a number
-
+
220319975 = 5213764327
BaseRepresentation
bin11010010000111…
…01000011100111
3120100120102012002
431020131003213
5422400214400
633510115515
75313455201
oct1510350347
9510512162
10220319975
11103401727
126194bb9b
1336850265
1421391771
151451eed5
hexd21d0e7

220319975 has 12 divisors (see below), whose sum is σ = 275195184. Its totient is φ = 174966720.

The previous prime is 220319971. The next prime is 220320043. The reversal of 220319975 is 579913022.

220319975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220319975 - 22 = 220319971 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220319971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28739 + ... + 35588.

It is an arithmetic number, because the mean of its divisors is an integer number (22932932).

Almost surely, 2220319975 is an apocalyptic number.

220319975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220319975 is a deficient number, since it is larger than the sum of its proper divisors (54875209).

220319975 is a wasteful number, since it uses less digits than its factorization.

220319975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64474 (or 64469 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 220319975 is about 14843.1794100860. The cubic root of 220319975 is about 603.9736028915.

The spelling of 220319975 in words is "two hundred twenty million, three hundred nineteen thousand, nine hundred seventy-five".

Divisors: 1 5 25 137 685 3425 64327 321635 1608175 8812799 44063995 220319975