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26027285 = 531716421
BaseRepresentation
bin110001101001…
…0010100010101
31210222022201112
41203102110111
523130333120
62325504405
7434141204
oct143222425
953868645
1026027285
1113767759
128872105
13551397b
14365723b
152441bc5
hex18d2515

26027285 has 8 divisors (see below), whose sum is σ = 31333176. Its totient is φ = 20754880.

The previous prime is 26027263. The next prime is 26027291. The reversal of 26027285 is 58272062.

It can be written as a sum of positive squares in 4 ways, for example, as 2193361 + 23833924 = 1481^2 + 4882^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-26027285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6626 + ... + 9795.

It is an arithmetic number, because the mean of its divisors is an integer number (3916647).

Almost surely, 226027285 is an apocalyptic number.

It is an amenable number.

26027285 is a deficient number, since it is larger than the sum of its proper divisors (5305891).

26027285 is a wasteful number, since it uses less digits than its factorization.

26027285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16743.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 26027285 is about 5101.6943263978. The cubic root of 26027285 is about 296.3532010025.

The spelling of 26027285 in words is "twenty-six million, twenty-seven thousand, two hundred eighty-five".

Divisors: 1 5 317 1585 16421 82105 5205457 26027285