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225935657 = 317399839
BaseRepresentation
bin11010111011110…
…00000100101001
3120202010201110022
431131320010221
5430314420112
634230330225
75412264353
oct1535700451
9522121408
10225935657
11106597892
12637b9975
1337a6834c
14220140d3
1514c7dd72
hexd778129

225935657 has 8 divisors (see below), whose sum is σ = 236421120. Its totient is φ = 215650080.

The previous prime is 225935651. The next prime is 225935683. The reversal of 225935657 is 756539522.

225935657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225935657 - 28 = 225935401 is a prime.

It is a super-2 number, since 2×2259356572 = 102093842208043298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225935651) 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, 47657 + ... + 52182.

It is an arithmetic number, because the mean of its divisors is an integer number (29552640).

Almost surely, 2225935657 is an apocalyptic number.

It is an amenable number.

225935657 is a deficient number, since it is larger than the sum of its proper divisors (10485463).

225935657 is an equidigital number, since it uses as much as digits as its factorization.

225935657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99943.

The product of its digits is 567000, while the sum is 44.

The square root of 225935657 is about 15031.1562096866. The cubic root of 225935657 is about 609.0621232047.

The spelling of 225935657 in words is "two hundred twenty-five million, nine hundred thirty-five thousand, six hundred fifty-seven".

Divisors: 1 31 73 2263 99839 3095009 7288247 225935657