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2640014 = 213591721
BaseRepresentation
bin1010000100100010001110
311222010102022
422010202032
51133440024
6132330142
731303556
oct12044216
94863368
102640014
111543533
12a73952
13715850
144ca166
1537235e
hex28488e

2640014 has 16 divisors (see below), whose sum is σ = 4339440. Its totient is φ = 1197120.

The previous prime is 2640013. The next prime is 2640017. The reversal of 2640014 is 4100462.

It is a junction number, because it is equal to n+sod(n) for n = 2639974 and 2640001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640013) 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, 674 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (271215).

22640014 is an apocalyptic number.

2640014 is a deficient number, since it is larger than the sum of its proper divisors (1699426).

2640014 is a wasteful number, since it uses less digits than its factorization.

2640014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2640014 is about 1624.8119891237. The cubic root of 2640014 is about 138.2087089077.

Adding to 2640014 its reverse (4100462), we get a palindrome (6740476).

The spelling of 2640014 in words is "two million, six hundred forty thousand, fourteen".

Divisors: 1 2 13 26 59 118 767 1534 1721 3442 22373 44746 101539 203078 1320007 2640014