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2687064 = 2331031087
BaseRepresentation
bin1010010000000001011000
312001111221220
422100001120
51141441224
6133332040
731561002
oct12200130
95044856
102687064
111575916
12a97020
137310a3
144dd372
15381279
hex290058

2687064 has 32 divisors (see below), whose sum is σ = 6789120. Its totient is φ = 886176.

The previous prime is 2687063. The next prime is 2687081. The reversal of 2687064 is 4607862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (212160).

22687064 is an apocalyptic number.

2687064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2687064 is an abundant number, since it is smaller than the sum of its proper divisors (4102056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687064 is a wasteful number, since it uses less digits than its factorization.

2687064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2687064 is about 1639.2266469284. The cubic root of 2687064 is about 139.0249252267.

The spelling of 2687064 in words is "two million, six hundred eighty-seven thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 103 206 309 412 618 824 1087 1236 2174 2472 3261 4348 6522 8696 13044 26088 111961 223922 335883 447844 671766 895688 1343532 2687064