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212504041 is a prime number
BaseRepresentation
bin11001010101010…
…00110111101001
3112210212022202001
430222220313221
5413400112131
633030411001
75160153211
oct1452506751
9483768661
10212504041
11a9a53482
125b200a61
1335044849
1420319241
15139c9261
hexcaa8de9

212504041 has 2 divisors, whose sum is σ = 212504042. Its totient is φ = 212504040.

The previous prime is 212504027. The next prime is 212504069. The reversal of 212504041 is 140405212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212139225 + 364816 = 14565^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 212504041 - 25 = 212504009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212504081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106252020 + 106252021.

It is an arithmetic number, because the mean of its divisors is an integer number (106252021).

Almost surely, 2212504041 is an apocalyptic number.

It is an amenable number.

212504041 is a deficient number, since it is larger than the sum of its proper divisors (1).

212504041 is an equidigital number, since it uses as much as digits as its factorization.

212504041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 212504041 is about 14577.5183416108. The cubic root of 212504041 is about 596.7453785794.

Adding to 212504041 its reverse (140405212), we get a palindrome (352909253).

The spelling of 212504041 in words is "two hundred twelve million, five hundred four thousand, forty-one".