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70233689 is a prime number
BaseRepresentation
bin1000010111110…
…10111001011001
311220011020111202
410023322321121
5120434434224
610545203545
71511655641
oct413727131
9156136452
1070233689
1136710679
121b6305b5
1311720cc6
149483521
156274eae
hex42fae59

70233689 has 2 divisors, whose sum is σ = 70233690. Its totient is φ = 70233688.

The previous prime is 70233673. The next prime is 70233701. The reversal of 70233689 is 98633207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 20178064 = 7075^2 + 4492^2 .

It is a cyclic number.

It is not a de Polignac number, because 70233689 - 24 = 70233673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70233619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35116844 + 35116845.

It is an arithmetic number, because the mean of its divisors is an integer number (35116845).

Almost surely, 270233689 is an apocalyptic number.

It is an amenable number.

70233689 is a deficient number, since it is larger than the sum of its proper divisors (1).

70233689 is an equidigital number, since it uses as much as digits as its factorization.

70233689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 70233689 is about 8380.5542179500. The cubic root of 70233689 is about 412.5866391630.

The spelling of 70233689 in words is "seventy million, two hundred thirty-three thousand, six hundred eighty-nine".