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212472671 is a prime number
BaseRepresentation
bin11001010101000…
…01001101011111
3112210210201201012
430222201031133
5413343111141
633030005435
75156662565
oct1452411537
9483721635
10212472671
11a9a31954
125b1a687b
1335033498
142030ba35
15139beceb
hexcaa135f

212472671 has 2 divisors, whose sum is σ = 212472672. Its totient is φ = 212472670.

The previous prime is 212472641. The next prime is 212472679. The reversal of 212472671 is 176274212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212472671 - 26 = 212472607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212472679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106236335 + 106236336.

It is an arithmetic number, because the mean of its divisors is an integer number (106236336).

Almost surely, 2212472671 is an apocalyptic number.

212472671 is a deficient number, since it is larger than the sum of its proper divisors (1).

212472671 is an equidigital number, since it uses as much as digits as its factorization.

212472671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 212472671 is about 14576.4423300063. The cubic root of 212472671 is about 596.7160131397.

The spelling of 212472671 in words is "two hundred twelve million, four hundred seventy-two thousand, six hundred seventy-one".