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220914 = 2334091
BaseRepresentation
bin110101111011110010
3102020001000
4311323302
524032124
64422430
71610031
oct657362
9366030
10220914
11140a81
12a7a16
1379725
145a718
15456c9
hex35ef2

220914 has 16 divisors (see below), whose sum is σ = 491040. Its totient is φ = 73620.

The previous prime is 220907. The next prime is 220919. The reversal of 220914 is 419022.

Adding to 220914 its reverse (419022), we get a palindrome (639936).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220919) by changing a digit.

220914 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (30690).

2220914 is an apocalyptic number.

220914 is an abundant number, since it is smaller than the sum of its proper divisors (270126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220914 is a wasteful number, since it uses less digits than its factorization.

220914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 220914 is about 470.0148933811. The cubic root of 220914 is about 60.4515925422.

The spelling of 220914 in words is "two hundred twenty thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 4091 8182 12273 24546 36819 73638 110457 220914