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2641028 = 221350789
BaseRepresentation
bin1010000100110010000100
311222011210212
422010302010
51134003103
6132334552
731306535
oct12046204
94864725
102641028
111544275
12a74458
13716150
144ca68c
153727d8
hex284c84

2641028 has 12 divisors (see below), whose sum is σ = 4977420. Its totient is φ = 1218912.

The previous prime is 2641027. The next prime is 2641031. The reversal of 2641028 is 8201462.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 2408704 = 482^2 + 1552^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2640994 and 2641012.

It is not an unprimeable number, because it can be changed into a prime (2641027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25343 + ... + 25446.

It is an arithmetic number, because the mean of its divisors is an integer number (414785).

22641028 is an apocalyptic number.

It is an amenable number.

2641028 is a deficient number, since it is larger than the sum of its proper divisors (2336392).

2641028 is a wasteful number, since it uses less digits than its factorization.

2641028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50806 (or 50804 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2641028 is about 1625.1239952693. The cubic root of 2641028 is about 138.2264014518.

The spelling of 2641028 in words is "two million, six hundred forty-one thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 50789 101578 203156 660257 1320514 2641028