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26228897 = 97317853
BaseRepresentation
bin110010000001…
…1100010100001
31211100120021122
41210003202201
523203311042
62334102025
7435641042
oct144034241
954316248
1026228897
1113895182
12894a915
135584676
1436aa8c9
1524817d2
hex19038a1

26228897 has 8 divisors (see below), whose sum is σ = 26614056. Its totient is φ = 25846272.

The previous prime is 26228861. The next prime is 26228927. The reversal of 26228897 is 79882262.

It can be written as a sum of positive squares in 4 ways, for example, as 817216 + 25411681 = 904^2 + 5041^2 .

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 26228897 - 26 = 26228833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26228837) 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, 30323 + ... + 31175.

It is an arithmetic number, because the mean of its divisors is an integer number (3326757).

Almost surely, 226228897 is an apocalyptic number.

It is an amenable number.

26228897 is a deficient number, since it is larger than the sum of its proper divisors (385159).

26228897 is an equidigital number, since it uses as much as digits as its factorization.

26228897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its digits is 193536, while the sum is 44.

The square root of 26228897 is about 5121.4155269808. The cubic root of 26228897 is about 297.1164352805.

It can be divided in two parts, 262288 and 97, that multiplied together give a square (25441936 = 50442).

The spelling of 26228897 in words is "twenty-six million, two hundred twenty-eight thousand, eight hundred ninety-seven".

Divisors: 1 97 317 853 30749 82741 270401 26228897