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70230529 is a prime number
BaseRepresentation
bin1000010111110…
…10001000000001
311220011002011201
410023322020001
5120434334104
610545141201
71511643505
oct413721001
9156132151
1070230529
1136709266
121b62a801
131171c735
149482305
1562740a4
hex42fa201

70230529 has 2 divisors, whose sum is σ = 70230530. Its totient is φ = 70230528.

The previous prime is 70230521. The next prime is 70230557. The reversal of 70230529 is 92503207.

It is an a-pointer prime, because the next prime (70230557) can be obtained adding 70230529 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 23280625 = 6852^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 70230529 - 23 = 70230521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70230497 and 70230506.

It is not a weakly prime, because it can be changed into another prime (70230521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35115264 + 35115265.

It is an arithmetic number, because the mean of its divisors is an integer number (35115265).

Almost surely, 270230529 is an apocalyptic number.

It is an amenable number.

70230529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70230529 is an equidigital number, since it uses as much as digits as its factorization.

70230529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 70230529 is about 8380.3656841453. The cubic root of 70230529 is about 412.5804512811.

The spelling of 70230529 in words is "seventy million, two hundred thirty thousand, five hundred twenty-nine".