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225790127 = 941239947
BaseRepresentation
bin11010111010101…
…00100010101111
3120201212022211022
431131110202233
5430300241002
634223244355
75411120153
oct1535244257
9521768738
10225790127
111064a8512
12637496bb
1337a17034
1421db7063
1514c50ba2
hexd7548af

225790127 has 4 divisors (see below), whose sum is σ = 226031016. Its totient is φ = 225549240.

The previous prime is 225790069. The next prime is 225790133. The reversal of 225790127 is 721097522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225790127 - 216 = 225724591 is a prime.

It is a super-2 number, since 2×2257901272 = 101962362901352258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225798127) 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, 119033 + ... + 120914.

It is an arithmetic number, because the mean of its divisors is an integer number (56507754).

Almost surely, 2225790127 is an apocalyptic number.

225790127 is a deficient number, since it is larger than the sum of its proper divisors (240889).

225790127 is an equidigital number, since it uses as much as digits as its factorization.

225790127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240888.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 225790127 is about 15026.3144849294. The cubic root of 225790127 is about 608.9313251274.

The spelling of 225790127 in words is "two hundred twenty-five million, seven hundred ninety thousand, one hundred twenty-seven".

Divisors: 1 941 239947 225790127