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26330020 = 2253174153
BaseRepresentation
bin110010001110…
…0001110100100
31211112200222221
41210130032210
523220030040
62340202124
7436541623
oct144341644
954480887
1026330020
1113954152
128999344
1355bb6c2
1436d56ba
1524a174a
hex191c3a4

26330020 has 24 divisors (see below), whose sum is σ = 55480824. Its totient is φ = 10496256.

The previous prime is 26329969. The next prime is 26330033. The reversal of 26330020 is 2003362.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 24186724 = 1464^2 + 4918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26329976 and 26330003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (2311701).

Almost surely, 226330020 is an apocalyptic number.

26330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26330020 is an abundant number, since it is smaller than the sum of its proper divisors (29150804).

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

26330020 is a wasteful number, since it uses less digits than its factorization.

26330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 26330020 is about 5131.2785930994. The cubic root of 26330020 is about 297.4977802720.

Adding to 26330020 its reverse (2003362), we get a palindrome (28333382).

The spelling of 26330020 in words is "twenty-six million, three hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 317 634 1268 1585 3170 4153 6340 8306 16612 20765 41530 83060 1316501 2633002 5266004 6582505 13165010 26330020