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2628916 = 221934591
BaseRepresentation
bin1010000001110100110100
311221120012021
422001310310
51133111131
6132202524
731226323
oct12016464
94846167
102628916
111536164
12a69444
13710794
144c60ba
1536de11
hex281d34

2628916 has 12 divisors (see below), whose sum is σ = 4842880. Its totient is φ = 1245240.

The previous prime is 2628911. The next prime is 2628919. The reversal of 2628916 is 6198262.

It is a happy number.

It is a super-3 number, since 3×26289163 = 54506887533354237888, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17220 + ... + 17371.

22628916 is an apocalyptic number.

It is an amenable number.

2628916 is a deficient number, since it is larger than the sum of its proper divisors (2213964).

2628916 is a wasteful number, since it uses less digits than its factorization.

2628916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34614 (or 34612 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 2628916 is about 1621.3932280604. The cubic root of 2628916 is about 138.0147712257.

The spelling of 2628916 in words is "two million, six hundred twenty-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 19 38 76 34591 69182 138364 657229 1314458 2628916