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223426 = 2715959
BaseRepresentation
bin110110100011000010
3102100111001
4312203002
524122201
64442214
71620250
oct664302
9370431
10223426
11142955
12a936a
137a908
145b5d0
1546301
hex368c2

223426 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 95748.

The previous prime is 223423. The next prime is 223429. The reversal of 223426 is 624322.

It is an interprime number because it is at equal distance from previous prime (223423) and next prime (223429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (223423) 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, 7966 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2223426 is an apocalyptic number.

223426 is a deficient number, since it is larger than the sum of its proper divisors (159614).

223426 is a wasteful number, since it uses less digits than its factorization.

223426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15968.

The product of its digits is 576, while the sum is 19.

The square root of 223426 is about 472.6795954978. The cubic root of 223426 is about 60.6798600028.

Adding to 223426 its reverse (624322), we get a palindrome (847748).

The spelling of 223426 in words is "two hundred twenty-three thousand, four hundred twenty-six".

Divisors: 1 2 7 14 15959 31918 111713 223426