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13026542 = 26797213
BaseRepresentation
bin110001101100…
…010011101110
3220111211001112
4301230103232
511313322132
61143112022
7215503154
oct61542356
926454045
1013026542
117398041
124442612
132911319
141a313d4
151224ab2
hexc6c4ee

13026542 has 8 divisors (see below), whose sum is σ = 19831656. Its totient is φ = 6415992.

The previous prime is 13026521. The next prime is 13026569. The reversal of 13026542 is 24562031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48473 + ... + 48740.

It is an arithmetic number, because the mean of its divisors is an integer number (2478957).

Almost surely, 213026542 is an apocalyptic number.

13026542 is a deficient number, since it is larger than the sum of its proper divisors (6805114).

13026542 is an equidigital number, since it uses as much as digits as its factorization.

13026542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97282.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13026542 is about 3609.2301118106. The cubic root of 13026542 is about 235.2933833874.

Adding to 13026542 its reverse (24562031), we get a palindrome (37588573).

The spelling of 13026542 in words is "thirteen million, twenty-six thousand, five hundred forty-two".

Divisors: 1 2 67 134 97213 194426 6513271 13026542