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26631061 = 172432143
BaseRepresentation
bin110010110010…
…1101110010101
31212002222221121
41211211232111
523304143221
62350443541
7442234402
oct145455625
955088847
1026631061
111403a346
128b035b1
135695732
1437732a9
152510a41
hex1965b95

26631061 has 12 divisors (see below), whose sum is σ = 28961152. Its totient is φ = 24470208.

The previous prime is 26631047. The next prime is 26631071. The reversal of 26631061 is 16013662.

It is not a de Polignac number, because 26631061 - 215 = 26598293 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26631001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11356 + ... + 13498.

Almost surely, 226631061 is an apocalyptic number.

It is an amenable number.

26631061 is a deficient number, since it is larger than the sum of its proper divisors (2330091).

26631061 is a wasteful number, since it uses less digits than its factorization.

26631061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 26631061 is about 5160.5291395360. The cubic root of 26631061 is about 298.6272877094.

The spelling of 26631061 in words is "twenty-six million, six hundred thirty-one thousand, sixty-one".

Divisors: 1 17 43 289 731 2143 12427 36431 92149 619327 1566533 26631061