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26468081 = 7924241
BaseRepresentation
bin110010011110…
…1111011110001
31211210201101022
41210331323301
523233434311
62343145225
7440655263
oct144757361
954721338
1026468081
1113a38952
128a45215
1356394b3
14372db33
1524cc5db
hex193def1

26468081 has 6 divisors (see below), whose sum is σ = 26813682. Its totient is φ = 26126880.

The previous prime is 26468077. The next prime is 26468111. The reversal of 26468081 is 18086462.

It can be written as a sum of positive squares in only one way, i.e., 26368225 + 99856 = 5135^2 + 316^2 .

It is not a de Polignac number, because 26468081 - 22 = 26468077 is a prime.

It is a super-2 number, since 2×264680812 = 1401118623645122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26468021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4121 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (4468947).

Almost surely, 226468081 is an apocalyptic number.

It is an amenable number.

26468081 is a deficient number, since it is larger than the sum of its proper divisors (345601).

26468081 is an frugal number, since it uses more digits than its factorization.

26468081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 26468081 is about 5144.7138890321. The cubic root of 26468081 is about 298.0168488889.

The spelling of 26468081 in words is "twenty-six million, four hundred sixty-eight thousand, eighty-one".

Divisors: 1 79 4241 6241 335039 26468081