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26104261 = 257101573
BaseRepresentation
bin110001110010…
…1000111000101
31211010020022111
41203211013011
523140314021
62331301021
7434611501
oct143450705
954106274
1026104261
111380a577
1288aa771
13553ca11
143677301
1524598e1
hex18e51c5

26104261 has 4 divisors (see below), whose sum is σ = 26206092. Its totient is φ = 26002432.

The previous prime is 26104259. The next prime is 26104283. The reversal of 26104261 is 16240162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 4435236 = 4655^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 26104261 - 21 = 26104259 is a prime.

It is a super-2 number, since 2×261042612 = 1362864884712242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26104291) 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, 50530 + ... + 51043.

It is an arithmetic number, because the mean of its divisors is an integer number (6551523).

Almost surely, 226104261 is an apocalyptic number.

It is an amenable number.

26104261 is a deficient number, since it is larger than the sum of its proper divisors (101831).

26104261 is a wasteful number, since it uses less digits than its factorization.

26104261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101830.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26104261 is about 5109.2329169847. The cubic root of 26104261 is about 296.6450694766.

The spelling of 26104261 in words is "twenty-six million, one hundred four thousand, two hundred sixty-one".

Divisors: 1 257 101573 26104261