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225571075 = 5297167557
BaseRepresentation
bin11010111000111…
…11000100000011
3120201110012100021
431130133010003
5430221233300
634214434311
75406215422
oct1534370403
9521405307
10225571075
11106368984
1263662997
133796b412
1421d5b2b9
1514c0ad1a
hexd71f103

225571075 has 24 divisors (see below), whose sum is σ = 284794272. Its totient is φ = 177208320.

The previous prime is 225571061. The next prime is 225571081. The reversal of 225571075 is 570175522.

225571075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225571075 - 221 = 223473923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225571075.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404697 + ... + 405253.

It is an arithmetic number, because the mean of its divisors is an integer number (11866428).

Almost surely, 2225571075 is an apocalyptic number.

225571075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225571075 is a deficient number, since it is larger than the sum of its proper divisors (59223197).

225571075 is a wasteful number, since it uses less digits than its factorization.

225571075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 225571075 is about 15019.0237698727. The cubic root of 225571075 is about 608.7343416346.

It can be divided in two parts, 22557 and 1075, that added together give a palindrome (23632).

The spelling of 225571075 in words is "two hundred twenty-five million, five hundred seventy-one thousand, seventy-five".

Divisors: 1 5 25 97 167 485 557 835 2425 2785 4175 13925 16199 54029 80995 93019 270145 404975 465095 1350725 2325475 9022843 45114215 225571075