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70230233 is a prime number
BaseRepresentation
bin1000010111110…
…10000011011001
311220011001202202
410023322003121
5120434331413
610545135545
71511642603
oct413720331
9156131682
1070230233
1136709017
121b62a5b5
131171c568
149482173
156273e58
hex42fa0d9

70230233 has 2 divisors, whose sum is σ = 70230234. Its totient is φ = 70230232.

The previous prime is 70230229. The next prime is 70230239. The reversal of 70230233 is 33203207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61889689 + 8340544 = 7867^2 + 2888^2 .

It is an emirp because it is prime and its reverse (33203207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70230233 - 22 = 70230229 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70230239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35115116 + 35115117.

It is an arithmetic number, because the mean of its divisors is an integer number (35115117).

Almost surely, 270230233 is an apocalyptic number.

It is an amenable number.

70230233 is a deficient number, since it is larger than the sum of its proper divisors (1).

70230233 is an equidigital number, since it uses as much as digits as its factorization.

70230233 is an odious number, because the sum of its binary digits is odd.

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

The square root of 70230233 is about 8380.3480237995. The cubic root of 70230233 is about 412.5798716472.

The spelling of 70230233 in words is "seventy million, two hundred thirty thousand, two hundred thirty-three".