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212832677 is a prime number
BaseRepresentation
bin11001010111110…
…01000110100101
3112211111000112202
430223321012211
5413441121202
633041424245
75163022301
oct1453710645
9484430482
10212832677
11aa158382
125b33b085
133512b2c5
14203a2d01
1513a41802
hexcaf91a5

212832677 has 2 divisors, whose sum is σ = 212832678. Its totient is φ = 212832676.

The previous prime is 212832629. The next prime is 212832679. The reversal of 212832677 is 776238212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175059361 + 37773316 = 13231^2 + 6146^2 .

It is a cyclic number.

It is not a de Polignac number, because 212832677 - 220 = 211784101 is a prime.

Together with 212832679, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212832677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212832679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106416338 + 106416339.

It is an arithmetic number, because the mean of its divisors is an integer number (106416339).

Almost surely, 2212832677 is an apocalyptic number.

It is an amenable number.

212832677 is a deficient number, since it is larger than the sum of its proper divisors (1).

212832677 is an equidigital number, since it uses as much as digits as its factorization.

212832677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 212832677 is about 14588.7860015835. The cubic root of 212832677 is about 597.0528409768.

The spelling of 212832677 in words is "two hundred twelve million, eight hundred thirty-two thousand, six hundred seventy-seven".