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2628886 = 213101111
BaseRepresentation
bin1010000001110100010110
311221120011011
422001310112
51133111021
6132202434
731226251
oct12016426
94846134
102628886
111536137
12a6941a
13710770
144c6098
1536dde1
hex281d16

2628886 has 8 divisors (see below), whose sum is σ = 4246704. Its totient is φ = 1213320.

The previous prime is 2628839. The next prime is 2628889. The reversal of 2628886 is 6888262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26288862 = 13822083201992, which contains 22 as substring.

It is a d-powerful number, because it can be written as 211 + 6 + 221 + 84 + 86 + 86 + 64 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628889) 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, 50530 + ... + 50581.

It is an arithmetic number, because the mean of its divisors is an integer number (530838).

22628886 is an apocalyptic number.

2628886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2628886 is a deficient number, since it is larger than the sum of its proper divisors (1617818).

2628886 is a wasteful number, since it uses less digits than its factorization.

2628886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101126.

The product of its digits is 73728, while the sum is 40.

The square root of 2628886 is about 1621.3839767310. The cubic root of 2628886 is about 138.0142462363.

The spelling of 2628886 in words is "two million, six hundred twenty-eight thousand, eight hundred eighty-six".

Divisors: 1 2 13 26 101111 202222 1314443 2628886