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225175051 = 755929789
BaseRepresentation
bin11010110101111…
…10011000001011
3120200201002002201
431122332120023
5430121100201
634202141031
75402646013
oct1532763013
9520632081
10225175051
11106118392
12634b1777
133786009a
1421c96c43
1514b7d801
hexd6be60b

225175051 has 4 divisors (see below), whose sum is σ = 225212400. Its totient is φ = 225137704.

The previous prime is 225175033. The next prime is 225175063. The reversal of 225175051 is 150571522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150571522 = 275285761.

It is a cyclic number.

It is not a de Polignac number, because 225175051 - 219 = 224650763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225175001) 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, 7336 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (56303100).

Almost surely, 2225175051 is an apocalyptic number.

225175051 is a deficient number, since it is larger than the sum of its proper divisors (37349).

225175051 is an equidigital number, since it uses as much as digits as its factorization.

225175051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37348.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 225175051 is about 15005.8338988541. The cubic root of 225175051 is about 608.3778913423.

The spelling of 225175051 in words is "two hundred twenty-five million, one hundred seventy-five thousand, fifty-one".

Divisors: 1 7559 29789 225175051