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1418213 is a prime number
BaseRepresentation
bin101011010001111100101
32200001102102
411122033211
5330340323
650221445
715024506
oct5321745
92601372
101418213
11889585
12584885
133a86a4
1428cbad
151d0328
hex15a3e5

1418213 has 2 divisors, whose sum is σ = 1418214. Its totient is φ = 1418212.

The previous prime is 1418201. The next prime is 1418233. The reversal of 1418213 is 3128141.

It is an a-pointer prime, because the next prime (1418233) can be obtained adding 1418213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 88804 = 1153^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418213 - 210 = 1417189 is a prime.

It is a super-2 number, since 2×14182132 = 4022656226738, which contains 22 as substring.

It is equal to p108371 and since 1418213 and 108371 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709106 + 709107.

It is an arithmetic number, because the mean of its divisors is an integer number (709107).

21418213 is an apocalyptic number.

It is an amenable number.

1418213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418213 is an equidigital number, since it uses as much as digits as its factorization.

1418213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 1418213 is about 1190.8874841898. The cubic root of 1418213 is about 112.3519170993.

The spelling of 1418213 in words is "one million, four hundred eighteen thousand, two hundred thirteen".