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988223 = 4124103
BaseRepresentation
bin11110001010000111111
31212012120212
43301100333
5223110343
633103035
711254055
oct3612077
91765525
10988223
11615515
123b7a7b
13287a62
141ba1d5
15147c18
hexf143f

988223 has 4 divisors (see below), whose sum is σ = 1012368. Its totient is φ = 964080.

The previous prime is 988219. The next prime is 988231. The reversal of 988223 is 322889.

It is a happy number.

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 988223 - 22 = 988219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 988223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12011 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (253092).

2988223 is an apocalyptic number.

988223 is a deficient number, since it is larger than the sum of its proper divisors (24145).

988223 is a wasteful number, since it uses less digits than its factorization.

988223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144.

The product of its digits is 6912, while the sum is 32.

The square root of 988223 is about 994.0940599360. The cubic root of 988223 is about 99.6058820846.

The spelling of 988223 in words is "nine hundred eighty-eight thousand, two hundred twenty-three".

Divisors: 1 41 24103 988223