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26230471 = 29904499
BaseRepresentation
bin110010000001…
…1111011000111
31211100122102221
41210003323013
523203333341
62334113211
7435645451
oct144037307
954318387
1026230471
1113896383
12894b807
1355852b7
1436ab2d1
152481ed1
hex1903ec7

26230471 has 4 divisors (see below), whose sum is σ = 27135000. Its totient is φ = 25325944.

The previous prime is 26230417. The next prime is 26230483. The reversal of 26230471 is 17403262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17403262 = 28701631.

It is a cyclic number.

It is not a de Polignac number, because 26230471 - 27 = 26230343 is a prime.

It is a super-3 number, since 3×262304713 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26230411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452221 + ... + 452278.

It is an arithmetic number, because the mean of its divisors is an integer number (6783750).

Almost surely, 226230471 is an apocalyptic number.

26230471 is a deficient number, since it is larger than the sum of its proper divisors (904529).

26230471 is an equidigital number, since it uses as much as digits as its factorization.

26230471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904528.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 26230471 is about 5121.5691931282. The cubic root of 26230471 is about 297.1223784954.

The spelling of 26230471 in words is "twenty-six million, two hundred thirty thousand, four hundred seventy-one".

Divisors: 1 29 904499 26230471