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223412 = 22779101
BaseRepresentation
bin110110100010110100
3102100110112
4312202310
524122122
64442152
71620230
oct664264
9370415
10223412
11142942
12a9358
137a8c7
145b5c0
15462e2
hex368b4

223412 has 24 divisors (see below), whose sum is σ = 456960. Its totient is φ = 93600.

The previous prime is 223403. The next prime is 223423. The reversal of 223412 is 214322.

223412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (19040).

2223412 is an apocalyptic number.

It is an amenable number.

223412 is an abundant number, since it is smaller than the sum of its proper divisors (233548).

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

223412 is a wasteful number, since it uses less digits than its factorization.

223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 223412 is about 472.6647860799. The cubic root of 223412 is about 60.6785925648.

Adding to 223412 its reverse (214322), we get a palindrome (437734).

The spelling of 223412 in words is "two hundred twenty-three thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 7 14 28 79 101 158 202 316 404 553 707 1106 1414 2212 2828 7979 15958 31916 55853 111706 223412