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223452 = 22332069
BaseRepresentation
bin110110100011011100
3102100112000
4312203130
524122302
64442300
71620315
oct664334
9370460
10223452
11142979
12a9390
137a928
145b60c
154631c
hex368dc

223452 has 24 divisors (see below), whose sum is σ = 579600. Its totient is φ = 74448.

The previous prime is 223441. The next prime is 223463. The reversal of 223452 is 254322.

It is an interprime number because it is at equal distance from previous prime (223441) and next prime (223463).

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

It is an Ulam number.

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, 927 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (24150).

2223452 is an apocalyptic number.

It is an amenable number.

223452 is an abundant number, since it is smaller than the sum of its proper divisors (356148).

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

223452 is a wasteful number, since it uses less digits than its factorization.

223452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2074 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 223452 is about 472.7070974716. The cubic root of 223452 is about 60.6822136757.

Adding to 223452 its reverse (254322), we get a palindrome (477774).

The spelling of 223452 in words is "two hundred twenty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2069 4138 6207 8276 12414 18621 24828 37242 55863 74484 111726 223452