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70045529 is a prime number
BaseRepresentation
bin1000010110011…
…00111101011001
311212210200101212
410023030331121
5120412424104
610541152505
71510243241
oct413147531
9155720355
1070045529
11365a2274
121b55b735
1311686478
149434b21
15623936e
hex42ccf59

70045529 has 2 divisors, whose sum is σ = 70045530. Its totient is φ = 70045528.

The previous prime is 70045519. The next prime is 70045537. The reversal of 70045529 is 92554007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 906304 = 8315^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 70045529 - 24 = 70045513 is a prime.

It is a super-2 number, since 2×700455292 = 9812752265779682, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70045495 and 70045504.

It is not a weakly prime, because it can be changed into another prime (70045519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022764 + 35022765.

It is an arithmetic number, because the mean of its divisors is an integer number (35022765).

Almost surely, 270045529 is an apocalyptic number.

It is an amenable number.

70045529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045529 is an equidigital number, since it uses as much as digits as its factorization.

70045529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 70045529 is about 8369.3207012278. The cubic root of 70045529 is about 412.2178620439.

The spelling of 70045529 in words is "seventy million, forty-five thousand, five hundred twenty-nine".