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223093 = 131312
BaseRepresentation
bin110110011101110101
3102100000201
4312131311
524114333
64440501
71616263
oct663565
9370021
10223093
11142682
12a9131
137a710
145b433
154617d
hex36775

223093 has 6 divisors (see below), whose sum is σ = 242102. Its totient is φ = 204360.

The previous prime is 223087. The next prime is 223099. The reversal of 223093 is 390322.

It is an interprime number because it is at equal distance from previous prime (223087) and next prime (223099).

It can be written as a sum of positive squares in only one way, i.e., 154449 + 68644 = 393^2 + 262^2 .

It is not a de Polignac number, because 223093 - 25 = 223061 is a prime.

It is a super-3 number, since 3×2230933 = 33310341533956071, which contains 333 as substring.

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 223093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638 + ... + 1768.

2223093 is an apocalyptic number.

It is an amenable number.

223093 is a deficient number, since it is larger than the sum of its proper divisors (19009).

223093 is an equidigital number, since it uses as much as digits as its factorization.

223093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 223093 is about 472.3272170858. The cubic root of 223093 is about 60.6496987258.

The spelling of 223093 in words is "two hundred twenty-three thousand, ninety-three".

Divisors: 1 13 131 1703 17161 223093