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26207141 = 137233821
BaseRepresentation
bin110001111111…
…0001110100101
31211022110102212
41203332032211
523202112031
62333413205
7435520442
oct143761645
954273385
1026207141
111387a8a4
12893a205
1355777ac
1436a29c9
15247a12b
hex18fe3a5

26207141 has 8 divisors (see below), whose sum is σ = 26544024. Its totient is φ = 25872640.

The previous prime is 26207131. The next prime is 26207147. The reversal of 26207141 is 14170262.

26207141 = T353 + T354 + ... + T585.

It can be written as a sum of positive squares in 4 ways, for example, as 664225 + 25542916 = 815^2 + 5054^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26207141 - 214 = 26190757 is a prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26207147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31511 + ... + 32331.

It is an arithmetic number, because the mean of its divisors is an integer number (3318003).

Almost surely, 226207141 is an apocalyptic number.

It is an amenable number.

26207141 is a deficient number, since it is larger than the sum of its proper divisors (336883).

26207141 is a wasteful number, since it uses less digits than its factorization.

26207141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 26207141 is about 5119.2910642002. The cubic root of 26207141 is about 297.0342631476.

The spelling of 26207141 in words is "twenty-six million, two hundred seven thousand, one hundred forty-one".

Divisors: 1 137 233 821 31921 112477 191293 26207141