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10720085 = 519112843
BaseRepresentation
bin101000111001…
…001101010101
3202011122012012
4220321031111
510221020320
61021434005
7160055615
oct50711525
922148165
1010720085
116062182
12370b905
1322b455c
1415d0a45
15e1b4c5
hexa39355

10720085 has 8 divisors (see below), whose sum is σ = 13541280. Its totient is φ = 8124624.

The previous prime is 10720069. The next prime is 10720091. The reversal of 10720085 is 58002701.

10720085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10720085 - 24 = 10720069 is a prime.

It is a super-2 number, since 2×107200852 = 229840444814450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10720085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56327 + ... + 56516.

It is an arithmetic number, because the mean of its divisors is an integer number (1692660).

Almost surely, 210720085 is an apocalyptic number.

It is an amenable number.

10720085 is a deficient number, since it is larger than the sum of its proper divisors (2821195).

10720085 is a wasteful number, since it uses less digits than its factorization.

10720085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112867.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 10720085 is about 3274.1540892267. The cubic root of 10720085 is about 220.4953370637.

Adding to 10720085 its reverse (58002701), we get a palindrome (68722786).

The spelling of 10720085 in words is "ten million, seven hundred twenty thousand, eighty-five".

Divisors: 1 5 19 95 112843 564215 2144017 10720085