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427213 is a prime number
BaseRepresentation
bin1101000010011001101
3210201000201
41220103031
5102132323
613053501
73426343
oct1502315
9721021
10427213
11271a76
12187291
1311c5b7
14b1993
15868ad
hex684cd

427213 has 2 divisors, whose sum is σ = 427214. Its totient is φ = 427212.

The previous prime is 427181. The next prime is 427237. The reversal of 427213 is 312724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 116964 = 557^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 427213 - 25 = 427181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213606 + 213607.

It is an arithmetic number, because the mean of its divisors is an integer number (213607).

2427213 is an apocalyptic number.

It is an amenable number.

427213 is a deficient number, since it is larger than the sum of its proper divisors (1).

427213 is an equidigital number, since it uses as much as digits as its factorization.

427213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 427213 is about 653.6153302976. The cubic root of 427213 is about 75.3150010648.

Adding to 427213 its reverse (312724), we get a palindrome (739937).

It can be divided in two parts, 42721 and 3, that added together give a palindrome (42724).

The spelling of 427213 in words is "four hundred twenty-seven thousand, two hundred thirteen".