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212472371 is a prime number
BaseRepresentation
bin11001010101000…
…01001000110011
3112210210201022002
430222201020303
5413343103441
633030004215
75156661656
oct1452411063
9483721262
10212472371
11a9a31701
125b1a666b
13350332c7
142030b89d
15139beb9b
hexcaa1233

212472371 has 2 divisors, whose sum is σ = 212472372. Its totient is φ = 212472370.

The previous prime is 212472347. The next prime is 212472427. The reversal of 212472371 is 173274212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212472371 - 226 = 145363507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212472311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106236185 + 106236186.

It is an arithmetic number, because the mean of its divisors is an integer number (106236186).

Almost surely, 2212472371 is an apocalyptic number.

212472371 is a deficient number, since it is larger than the sum of its proper divisors (1).

212472371 is an equidigital number, since it uses as much as digits as its factorization.

212472371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 212472371 is about 14576.4320394258. The cubic root of 212472371 is about 596.7157322960.

The spelling of 212472371 in words is "two hundred twelve million, four hundred seventy-two thousand, three hundred seventy-one".