Search a number
-
+
70045693 is a prime number
BaseRepresentation
bin1000010110011…
…00111111111101
311212210200121221
410023030333331
5120412430233
610541153341
71510243564
oct413147775
9155720557
1070045693
11365a2403
121b55b851
1311686573
149434bdb
15623942d
hex42ccffd

70045693 has 2 divisors, whose sum is σ = 70045694. Its totient is φ = 70045692.

The previous prime is 70045691. The next prime is 70045739. The reversal of 70045693 is 39654007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 10478169 = 7718^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 70045693 - 21 = 70045691 is a prime.

Together with 70045691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70045691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022846 + 35022847.

It is an arithmetic number, because the mean of its divisors is an integer number (35022847).

Almost surely, 270045693 is an apocalyptic number.

It is an amenable number.

70045693 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045693 is an equidigital number, since it uses as much as digits as its factorization.

70045693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 70045693 is about 8369.3304989109. The cubic root of 70045693 is about 412.2181837569.

The spelling of 70045693 in words is "seventy million, forty-five thousand, six hundred ninety-three".