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2185085 = 57149419
BaseRepresentation
bin1000010101011101111101
311010000101002
420111131331
51024410320
6114500045
724400340
oct10253575
94100332
102185085
111262761
12894625
135b6766
1440c457
152d2675
hex21577d

2185085 has 16 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 1484736.

The previous prime is 2185037. The next prime is 2185091. The reversal of 2185085 is 5805812.

It is a cyclic number.

It is not a de Polignac number, because 2185085 - 26 = 2185021 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5006 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

22185085 is an apocalyptic number.

It is an amenable number.

2185085 is a deficient number, since it is larger than the sum of its proper divisors (838915).

2185085 is a wasteful number, since it uses less digits than its factorization.

2185085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2185085 is about 1478.2033013087. The cubic root of 2185085 is about 129.7645640100.

The spelling of 2185085 in words is "two million, one hundred eighty-five thousand, eighty-five".

Divisors: 1 5 7 35 149 419 745 1043 2095 2933 5215 14665 62431 312155 437017 2185085