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225029588 = 2278036771
BaseRepresentation
bin11010110100110…
…10110111010100
3120200102200120012
431122122313110
5430101421323
634155055352
75401501640
oct1532326724
9520380505
10225029588
11106029073
1263441558
133780bb04
1421c59c20
1514b50678
hexd69add4

225029588 has 12 divisors (see below), whose sum is σ = 450059232. Its totient is φ = 96441240.

The previous prime is 225029587. The next prime is 225029611. The reversal of 225029588 is 885920522.

225029588 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225029587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018358 + ... + 4018413.

It is an arithmetic number, because the mean of its divisors is an integer number (37504936).

Almost surely, 2225029588 is an apocalyptic number.

225029588 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225029588 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225029588 is a wasteful number, since it uses less digits than its factorization.

225029588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036782 (or 8036780 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 225029588 is about 15000.9862342447. The cubic root of 225029588 is about 608.2468591581.

The spelling of 225029588 in words is "two hundred twenty-five million, twenty-nine thousand, five hundred eighty-eight".

Divisors: 1 2 4 7 14 28 8036771 16073542 32147084 56257397 112514794 225029588