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26884225 = 52172612
BaseRepresentation
bin110011010001…
…1100010000001
31212120212020001
41212203202001
523340243400
62400120001
7444340444
oct146434201
955525201
1026884225
11141a2575
129006001
135753a34
1437db65b
152560a6a
hex19a3881

26884225 has 27 divisors (see below), whose sum is σ = 36002811. Its totient is φ = 19910400.

The previous prime is 26884199. The next prime is 26884261. The reversal of 26884225 is 52248862.

The square root of 26884225 is 5185.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 23980609 + 2903616 = 4897^2 + 1704^2 .

It is not a de Polignac number, because 26884225 - 27 = 26884097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 440695 + ... + 440755.

Almost surely, 226884225 is an apocalyptic number.

26884225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26884225 is the 5185-th square number.

26884225 is the 2593-rd centered octagonal number.

It is an amenable number.

26884225 is a deficient number, since it is larger than the sum of its proper divisors (9118586).

26884225 is an equidigital number, since it uses as much as digits as its factorization.

26884225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The cubic root of 26884225 is about 299.5705893519.

The spelling of 26884225 in words is "twenty-six million, eight hundred eighty-four thousand, two hundred twenty-five".