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7070813 is a prime number
BaseRepresentation
bin11010111110010001011101
3111022020022222
4122332101131
53302231223
6411315125
7114046421
oct32762135
914266288
107070813
113a9a452
12244baa5
131607519
14d20b81
1594a0c8
hex6be45d

7070813 has 2 divisors, whose sum is σ = 7070814. Its totient is φ = 7070812.

The previous prime is 7070801. The next prime is 7070849. The reversal of 7070813 is 3180707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 2244004 = 2197^2 + 1498^2 .

It is an emirp because it is prime and its reverse (3180707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7070813 - 216 = 7005277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7070863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535406 + 3535407.

It is an arithmetic number, because the mean of its divisors is an integer number (3535407).

Almost surely, 27070813 is an apocalyptic number.

It is an amenable number.

7070813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7070813 is an equidigital number, since it uses as much as digits as its factorization.

7070813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7070813 is about 2659.1000357264. The cubic root of 7070813 is about 191.9360047862.

The spelling of 7070813 in words is "seven million, seventy thousand, eight hundred thirteen".