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70430033 is a prime number
BaseRepresentation
bin1000011001010…
…10110101010001
311220112012211202
410030222311101
5121012230113
610553320545
71513434242
oct414526521
9156465752
1070430033
1136835143
121b706155
131178c49b
1494d4cc9
1562b3258
hex432ad51

70430033 has 2 divisors, whose sum is σ = 70430034. Its totient is φ = 70430032.

The previous prime is 70429987. The next prime is 70430039. The reversal of 70430033 is 33003407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 24285184 = 6793^2 + 4928^2 .

It is an emirp because it is prime and its reverse (33003407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70430033 - 26 = 70429969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70429987 and 70430014.

It is not a weakly prime, because it can be changed into another prime (70430039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35215016 + 35215017.

It is an arithmetic number, because the mean of its divisors is an integer number (35215017).

Almost surely, 270430033 is an apocalyptic number.

It is an amenable number.

70430033 is a deficient number, since it is larger than the sum of its proper divisors (1).

70430033 is an equidigital number, since it uses as much as digits as its factorization.

70430033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 70430033 is about 8392.2603033986. The cubic root of 70430033 is about 412.9707546317.

The spelling of 70430033 in words is "seventy million, four hundred thirty thousand, thirty-three".