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8412709 is a prime number
BaseRepresentation
bin100000000101…
…111000100101
3120211102001211
4200011320211
54123201314
6500151421
7131335564
oct40057045
916742054
108412709
114826658
122998571
131987246
14118dbdb
15b129c4
hex805e25

8412709 has 2 divisors, whose sum is σ = 8412710. Its totient is φ = 8412708.

The previous prime is 8412707. The next prime is 8412769. The reversal of 8412709 is 9072148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 31684 = 2895^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 8412709 - 21 = 8412707 is a prime.

Together with 8412707, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8412707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4206354 + 4206355.

It is an arithmetic number, because the mean of its divisors is an integer number (4206355).

Almost surely, 28412709 is an apocalyptic number.

It is an amenable number.

8412709 is a deficient number, since it is larger than the sum of its proper divisors (1).

8412709 is an equidigital number, since it uses as much as digits as its factorization.

8412709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8412709 is about 2900.4670313589. The cubic root of 8412709 is about 203.3817386027.

The spelling of 8412709 in words is "eight million, four hundred twelve thousand, seven hundred nine".