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245516005 = 5719369197
BaseRepresentation
bin11101010001001…
…00011011100101
3122002222111122101
432220210123211
51000323003010
640210132101
76040565050
oct1650443345
9562874571
10245516005
11116650899
126a281031
133bb32757
142486da97
151684a73a
hexea246e5

245516005 has 16 divisors (see below), whose sum is σ = 354430080. Its totient is φ = 159492672.

The previous prime is 245515987. The next prime is 245516017. The reversal of 245516005 is 500615542.

245516005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245516005 - 219 = 244991717 is a prime.

It is a super-2 number, since 2×2455160052 = 120556217422320050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183934 + ... + 185263.

It is an arithmetic number, because the mean of its divisors is an integer number (22151880).

Almost surely, 2245516005 is an apocalyptic number.

It is an amenable number.

245516005 is a deficient number, since it is larger than the sum of its proper divisors (108914075).

245516005 is a wasteful number, since it uses less digits than its factorization.

245516005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369228.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 245516005 is about 15668.9503477419. The cubic root of 245516005 is about 626.1714605166.

The spelling of 245516005 in words is "two hundred forty-five million, five hundred sixteen thousand, five".

Divisors: 1 5 7 19 35 95 133 665 369197 1845985 2584379 7014743 12921895 35073715 49103201 245516005