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427223 = 1632621
BaseRepresentation
bin1101000010011010111
3210201001002
41220103113
5102132343
613053515
73426356
oct1502327
9721032
10427223
11271a85
1218729b
1311c5c4
14b199d
15868b8
hex684d7

427223 has 4 divisors (see below), whose sum is σ = 430008. Its totient is φ = 424440.

The previous prime is 427213. The next prime is 427237. The reversal of 427223 is 322724.

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 427223 - 212 = 423127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427195 and 427204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427223.

It is not an unprimeable number, because it can be changed into a prime (427213) 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, 1148 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (107502).

2427223 is an apocalyptic number.

427223 is a deficient number, since it is larger than the sum of its proper divisors (2785).

427223 is a wasteful number, since it uses less digits than its factorization.

427223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784.

The product of its digits is 672, while the sum is 20.

The square root of 427223 is about 653.6229800122. The cubic root of 427223 is about 75.3155887062.

Adding to 427223 its reverse (322724), we get a palindrome (749947).

The spelling of 427223 in words is "four hundred twenty-seven thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 163 2621 427223