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26168641 = 231137767
BaseRepresentation
bin110001111010…
…0110101000001
31211020111121221
41203310311001
523144344031
62332515041
7435300262
oct143646501
954214557
1026168641
1113853984
12891ba81
135563105
143692969
15246da11
hex18f4d41

26168641 has 4 divisors (see below), whose sum is σ = 27306432. Its totient is φ = 25030852.

The previous prime is 26168633. The next prime is 26168647. The reversal of 26168641 is 14686162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26168641 - 23 = 26168633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26168597 and 26168606.

It is not an unprimeable number, because it can be changed into a prime (26168647) 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, 568861 + ... + 568906.

It is an arithmetic number, because the mean of its divisors is an integer number (6826608).

Almost surely, 226168641 is an apocalyptic number.

It is an amenable number.

26168641 is a deficient number, since it is larger than the sum of its proper divisors (1137791).

26168641 is a wasteful number, since it uses less digits than its factorization.

26168641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137790.

The product of its digits is 13824, while the sum is 34.

The square root of 26168641 is about 5115.5293958690. The cubic root of 26168641 is about 296.8887376247. Note that the first 3 decimals are identical.

The spelling of 26168641 in words is "twenty-six million, one hundred sixty-eight thousand, six hundred forty-one".

Divisors: 1 23 1137767 26168641