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70407017 = 671050851
BaseRepresentation
bin1000011001001…
…01001101101001
311220111001021022
410030211031221
5121011011032
610553022225
71513310162
oct414451551
9156431238
1070407017
113681991a
121b6b4975
1311781b75
1494ca769
1562ab512
hex4325369

70407017 has 4 divisors (see below), whose sum is σ = 71457936. Its totient is φ = 69356100.

The previous prime is 70406977. The next prime is 70407019. The reversal of 70407017 is 71070407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70407017 - 214 = 70390633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70407019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525359 + ... + 525492.

It is an arithmetic number, because the mean of its divisors is an integer number (17864484).

Almost surely, 270407017 is an apocalyptic number.

It is an amenable number.

70407017 is a deficient number, since it is larger than the sum of its proper divisors (1050919).

70407017 is a wasteful number, since it uses less digits than its factorization.

70407017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050918.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 70407017 is about 8390.8889278789. Note that the first 3 decimals coincide. The cubic root of 70407017 is about 412.9257644949.

The spelling of 70407017 in words is "seventy million, four hundred seven thousand, seventeen".

Divisors: 1 67 1050851 70407017