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70283089 is a prime number
BaseRepresentation
bin1000011000001…
…10111101010001
311220020202021101
410030012331101
5120443024324
610550224401
71512252652
oct414067521
9156222241
1070283089
11367447a8
121b655101
131173a636
149497529
156284944
hex4306f51

70283089 has 2 divisors, whose sum is σ = 70283090. Its totient is φ = 70283088.

The previous prime is 70283053. The next prime is 70283111. The reversal of 70283089 is 98038207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 12902464 = 7575^2 + 3592^2 .

It is an emirp because it is prime and its reverse (98038207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70283089 - 215 = 70250321 is a prime.

It is not a weakly prime, because it can be changed into another prime (70284089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35141544 + 35141545.

It is an arithmetic number, because the mean of its divisors is an integer number (35141545).

Almost surely, 270283089 is an apocalyptic number.

It is an amenable number.

70283089 is a deficient number, since it is larger than the sum of its proper divisors (1).

70283089 is an equidigital number, since it uses as much as digits as its factorization.

70283089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 70283089 is about 8383.5009989860. The cubic root of 70283089 is about 412.6833496520.

The spelling of 70283089 in words is "seventy million, two hundred eighty-three thousand, eighty-nine".