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830378713 = 922190053
BaseRepresentation
bin110001011111101…
…001001011011001
32010212111121110011
4301133221023121
53200034104323
6214221521521
726402050123
oct6137511331
92125447404
10830378713
113967aa8aa
121b21132a1
1310305b368
147c3d6213
154cd7820d
hex317e92d9

830378713 has 4 divisors (see below), whose sum is σ = 830477988. Its totient is φ = 830279440.

The previous prime is 830378711. The next prime is 830378749. The reversal of 830378713 is 317873038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 616429584 + 213949129 = 24828^2 + 14627^2 .

It is a cyclic number.

It is not a de Polignac number, because 830378713 - 21 = 830378711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830378711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35806 + ... + 54247.

It is an arithmetic number, because the mean of its divisors is an integer number (207619497).

Almost surely, 2830378713 is an apocalyptic number.

It is an amenable number.

830378713 is a deficient number, since it is larger than the sum of its proper divisors (99275).

830378713 is an equidigital number, since it uses as much as digits as its factorization.

830378713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99274.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 830378713 is about 28816.2924922690. The cubic root of 830378713 is about 939.9225502055.

The spelling of 830378713 in words is "eight hundred thirty million, three hundred seventy-eight thousand, seven hundred thirteen".

Divisors: 1 9221 90053 830378713