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2687085 = 325211283
BaseRepresentation
bin1010010000000001101101
312001111222200
422100001231
51141441320
6133332113
731561032
oct12200155
95044880
102687085
111575935
12a97039
137310bb
144dd389
15381290
hex29006d

2687085 has 24 divisors (see below), whose sum is σ = 4696224. Its totient is φ = 1421280.

The previous prime is 2687081. The next prime is 2687093. The reversal of 2687085 is 5807862.

It is not a de Polignac number, because 2687085 - 22 = 2687081 is a prime.

It is an Ulam number.

2687085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9354 + ... + 9636.

It is an arithmetic number, because the mean of its divisors is an integer number (195676).

22687085 is an apocalyptic number.

It is an amenable number.

2687085 is a deficient number, since it is larger than the sum of its proper divisors (2009139).

2687085 is a wasteful number, since it uses less digits than its factorization.

2687085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2687085 is about 1639.2330523754. The cubic root of 2687085 is about 139.0252873960.

The spelling of 2687085 in words is "two million, six hundred eighty-seven thousand, eighty-five".

Divisors: 1 3 5 9 15 45 211 283 633 849 1055 1415 1899 2547 3165 4245 9495 12735 59713 179139 298565 537417 895695 2687085