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26306161 = 729129587
BaseRepresentation
bin110010001011…
…0011001110001
31211111111021021
41210112121301
523213244121
62335455441
7436412230
oct144263161
954444237
1026306161
1113938232
128987581
1355b089b
1436cab17
152499641
hex1916671

26306161 has 8 divisors (see below), whose sum is σ = 31101120. Its totient is φ = 21770448.

The previous prime is 26306141. The next prime is 26306171. The reversal of 26306161 is 16160362.

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

It is not a de Polignac number, because 26306161 - 25 = 26306129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26306101) 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, 64591 + ... + 64996.

It is an arithmetic number, because the mean of its divisors is an integer number (3887640).

Almost surely, 226306161 is an apocalyptic number.

It is an amenable number.

26306161 is a deficient number, since it is larger than the sum of its proper divisors (4794959).

26306161 is a wasteful number, since it uses less digits than its factorization.

26306161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129623.

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

The square root of 26306161 is about 5128.9532070394. The cubic root of 26306161 is about 297.4078937145.

The spelling of 26306161 in words is "twenty-six million, three hundred six thousand, one hundred sixty-one".

Divisors: 1 7 29 203 129587 907109 3758023 26306161