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212419 is a prime number
BaseRepresentation
bin110011110111000011
3101210101101
4303313003
523244134
64315231
71543204
oct636703
9353341
10212419
11135659
12a2b17
13758bc
14575ab
1542e14
hex33dc3

212419 has 2 divisors, whose sum is σ = 212420. Its totient is φ = 212418.

The previous prime is 212411. The next prime is 212423. The reversal of 212419 is 914212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212419 - 23 = 212411 is a prime.

It is a super-2 number, since 2×2124192 = 90243663122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212396 and 212405.

It is not a weakly prime, because it can be changed into another prime (212411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106209 + 106210.

It is an arithmetic number, because the mean of its divisors is an integer number (106210).

2212419 is an apocalyptic number.

212419 is a deficient number, since it is larger than the sum of its proper divisors (1).

212419 is an equidigital number, since it uses as much as digits as its factorization.

212419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 212419 is about 460.8893576554. The cubic root of 212419 is about 59.6665765043. Note that the first 3 decimals are identical.

It can be divided in two parts, 2 and 12419, that added together give a palindrome (12421).

The spelling of 212419 in words is "two hundred twelve thousand, four hundred nineteen".