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26144401 = 71368231
BaseRepresentation
bin110001110111…
…0111010010001
31211012021101011
41203232322101
523143110101
62332210521
7435136513
oct143567221
954167334
1026144401
1113837748
128909a41
13555507a
143687bb3
152466751
hex18eee91

26144401 has 4 divisors (see below), whose sum is σ = 26512704. Its totient is φ = 25776100.

The previous prime is 26144383. The next prime is 26144441. The reversal of 26144401 is 10444162.

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 26144401 - 25 = 26144369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26144441) 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, 184045 + ... + 184186.

It is an arithmetic number, because the mean of its divisors is an integer number (6628176).

Almost surely, 226144401 is an apocalyptic number.

It is an amenable number.

26144401 is a deficient number, since it is larger than the sum of its proper divisors (368303).

26144401 is an equidigital number, since it uses as much as digits as its factorization.

26144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368302.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 26144401 is about 5113.1595907032. The cubic root of 26144401 is about 296.7970400058.

Adding to 26144401 its reverse (10444162), we get a palindrome (36588563).

The spelling of 26144401 in words is "twenty-six million, one hundred forty-four thousand, four hundred one".

Divisors: 1 71 368231 26144401