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26284042 = 2109120569
BaseRepresentation
bin110010001000…
…1000000001010
31211110100221001
41210101000022
523212042132
62335205214
7436260601
oct144210012
954410831
1026284042
1113922654
12897680a
1355a37b5
1436c2a38
152492ce7
hex191100a

26284042 has 8 divisors (see below), whose sum is σ = 39788100. Its totient is φ = 13021344.

The previous prime is 26284039. The next prime is 26284043. The reversal of 26284042 is 24048262.

It can be written as a sum of positive squares in 2 ways, for example, as 25593481 + 690561 = 5059^2 + 831^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 26284042.

It is not an unprimeable number, because it can be changed into a prime (26284043) 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, 60067 + ... + 60502.

Almost surely, 226284042 is an apocalyptic number.

26284042 is a deficient number, since it is larger than the sum of its proper divisors (13504058).

26284042 is a wasteful number, since it uses less digits than its factorization.

26284042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120680.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 26284042 is about 5126.7964656304. The cubic root of 26284042 is about 297.3245138828.

It can be divided in two parts, 2628 and 4042, that added together give a triangular number (6670 = T115).

The spelling of 26284042 in words is "twenty-six million, two hundred eighty-four thousand, forty-two".

Divisors: 1 2 109 218 120569 241138 13142021 26284042