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28596225 = 352754469
BaseRepresentation
bin110110100010…
…1100000000001
31222210211122110
41231011200001
524310034400
62500525533
7465030630
oct155054001
958724573
1028596225
1115161849
1296b08a9
135c03058
143b25517
15279ce50
hex1b45801

28596225 has 24 divisors (see below), whose sum is σ = 54034240. Its totient is φ = 13072320.

The previous prime is 28596223. The next prime is 28596241. The reversal of 28596225 is 52269582.

It is not a de Polignac number, because 28596225 - 21 = 28596223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28596221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26710 + ... + 27759.

Almost surely, 228596225 is an apocalyptic number.

28596225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28596225 is a deficient number, since it is larger than the sum of its proper divisors (25438015).

28596225 is a wasteful number, since it uses less digits than its factorization.

28596225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54489 (or 54484 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 28596225 is about 5347.5438287124. The cubic root of 28596225 is about 305.7991227208.

The spelling of 28596225 in words is "twenty-eight million, five hundred ninety-six thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 54469 163407 272345 381283 817035 1143849 1361725 1906415 4085175 5719245 9532075 28596225