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913906069 is a prime number
BaseRepresentation
bin110110011110010…
…001100110010101
32100200200020102221
4312132101212111
53332424443234
6230404102341
731435034116
oct6636214625
92320606387
10913906069
1142997017a
122160949b1
1311745512b
148953a20d
1555376eb4
hex36791995

913906069 has 2 divisors, whose sum is σ = 913906070. Its totient is φ = 913906068.

The previous prime is 913906027. The next prime is 913906073. The reversal of 913906069 is 960609319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849023044 + 64883025 = 29138^2 + 8055^2 .

It is an emirp because it is prime and its reverse (960609319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913906069 - 229 = 377035157 is a prime.

It is a super-2 number, since 2×9139060692 = 1670448605910065522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913906369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456953034 + 456953035.

It is an arithmetic number, because the mean of its divisors is an integer number (456953035).

Almost surely, 2913906069 is an apocalyptic number.

It is an amenable number.

913906069 is a deficient number, since it is larger than the sum of its proper divisors (1).

913906069 is an equidigital number, since it uses as much as digits as its factorization.

913906069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 913906069 is about 30230.8793950821. The cubic root of 913906069 is about 970.4366436755.

The spelling of 913906069 in words is "nine hundred thirteen million, nine hundred six thousand, sixty-nine".