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26399141 = 531992503
BaseRepresentation
bin110010010110…
…1000110100101
31211200012210222
41210231012211
523224233031
62341454125
7440250266
oct144550645
954605728
1026399141
11139a107a
128a11345
135613cc2
14371296d
1524b6e7b
hex192d1a5

26399141 has 8 divisors (see below), whose sum is σ = 27043200. Its totient is φ = 25760592.

The previous prime is 26399129. The next prime is 26399159. The reversal of 26399141 is 14199362.

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 26399141 - 210 = 26398117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26399111) 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, 9296 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (3380400).

Almost surely, 226399141 is an apocalyptic number.

It is an amenable number.

26399141 is a deficient number, since it is larger than the sum of its proper divisors (644059).

26399141 is a wasteful number, since it uses less digits than its factorization.

26399141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its digits is 11664, while the sum is 35.

The square root of 26399141 is about 5138.0094394619. The cubic root of 26399141 is about 297.7578810508.

The spelling of 26399141 in words is "twenty-six million, three hundred ninety-nine thousand, one hundred forty-one".

Divisors: 1 53 199 2503 10547 132659 498097 26399141