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207000079 = 111319471621
BaseRepresentation
bin11000101011010…
…01001000001111
3112102111200201121
430111221020033
5410443000304
632312421411
75062320526
oct1425511017
9472450647
10207000079
11a6934250
12593a7867
1333b68570
141d6c54bd
151328d554
hexc56920f

207000079 has 32 divisors (see below), whose sum is σ = 261596160. Its totient is φ = 160963200.

The previous prime is 207000071. The next prime is 207000083. The reversal of 207000079 is 970000702.

It is a cyclic number.

It is not a de Polignac number, because 207000079 - 23 = 207000071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207000071) 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 31 ways as a sum of consecutive naturals, for example, 126889 + ... + 128509.

It is an arithmetic number, because the mean of its divisors is an integer number (8174880).

Almost surely, 2207000079 is an apocalyptic number.

207000079 is a deficient number, since it is larger than the sum of its proper divisors (54596081).

207000079 is a wasteful number, since it uses less digits than its factorization.

207000079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 207000079 is about 14387.4973153777. The cubic root of 207000079 is about 591.5482452234.

The spelling of 207000079 in words is "two hundred seven million, seventy-nine", and thus it is an aban number.

Divisors: 1 11 13 19 47 143 209 247 517 611 893 1621 2717 6721 9823 11609 17831 21073 30799 76187 127699 231803 338789 400387 838057 990431 1447553 4404257 10894741 15923083 18818189 207000079