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70440041 = 759170557
BaseRepresentation
bin1000011001011…
…01010001101001
311220112201120102
410030231101221
5121013040131
610553435145
71513505360
oct414552151
9156481512
1070440041
1136841711
121b70bab5
1311793bc9
1494d87d7
1562b61cb
hex432d469

70440041 has 8 divisors (see below), whose sum is σ = 81867840. Its totient is φ = 59353488.

The previous prime is 70440031. The next prime is 70440047. The reversal of 70440041 is 14004407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70440041 - 214 = 70423657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70439995 and 70440022.

It is not an unprimeable number, because it can be changed into a prime (70440047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84866 + ... + 85691.

It is an arithmetic number, because the mean of its divisors is an integer number (10233480).

Almost surely, 270440041 is an apocalyptic number.

It is an amenable number.

70440041 is a deficient number, since it is larger than the sum of its proper divisors (11427799).

70440041 is a wasteful number, since it uses less digits than its factorization.

70440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170623.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 70440041 is about 8392.8565458966. The cubic root of 70440041 is about 412.9903145428.

Adding to 70440041 its reverse (14004407), we get a palindrome (84444448).

The spelling of 70440041 in words is "seventy million, four hundred forty thousand, forty-one".

Divisors: 1 7 59 413 170557 1193899 10062863 70440041