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70835017 = 116439547
BaseRepresentation
bin1000011100011…
…01101101001001
311221021210101011
410032031231021
5121113210032
611010123521
71520042041
oct416155511
9157253334
1070835017
1136a91440
121b8805a1
13118a1916
14959c721
156343247
hex438db49

70835017 has 4 divisors (see below), whose sum is σ = 77274576. Its totient is φ = 64395460.

The previous prime is 70834979. The next prime is 70835033. The reversal of 70835017 is 71053807.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71053807 = 116459437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70835017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70835017.

It is not an unprimeable number, because it can be changed into a prime (70835077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219763 + ... + 3219784.

It is an arithmetic number, because the mean of its divisors is an integer number (19318644).

Almost surely, 270835017 is an apocalyptic number.

It is an amenable number.

70835017 is a deficient number, since it is larger than the sum of its proper divisors (6439559).

70835017 is a wasteful number, since it uses less digits than its factorization.

70835017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439558.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 70835017 is about 8416.3541394121. The cubic root of 70835017 is about 413.7607916670.

It can be divided in two parts, 7083 and 5017, that added together give a square (12100 = 1102).

The spelling of 70835017 in words is "seventy million, eight hundred thirty-five thousand, seventeen".

Divisors: 1 11 6439547 70835017