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70023089 is a prime number
BaseRepresentation
bin1000010110001…
…11011110110001
311212202112121202
410023013132301
5120411214324
610540500545
71510120643
oct413073661
9155675552
1070023089
1136587424
121b54a755
13116791a6
14942a893
1562328ae
hex42c77b1

70023089 has 2 divisors, whose sum is σ = 70023090. Its totient is φ = 70023088.

The previous prime is 70023077. The next prime is 70023097. The reversal of 70023089 is 98032007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 13653025 = 7508^2 + 3695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70023089 is a prime.

It is not a weakly prime, because it can be changed into another prime (70053089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35011544 + 35011545.

It is an arithmetic number, because the mean of its divisors is an integer number (35011545).

Almost surely, 270023089 is an apocalyptic number.

It is an amenable number.

70023089 is a deficient number, since it is larger than the sum of its proper divisors (1).

70023089 is an equidigital number, since it uses as much as digits as its factorization.

70023089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70023089 is about 8367.9799832457. The cubic root of 70023089 is about 412.1738375504.

The spelling of 70023089 in words is "seventy million, twenty-three thousand, eighty-nine".