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BaseRepresentation
bin11010110101000…
…01100101001101
3120200111002022012
431122201211031
5430103311401
634155431005
75401645103
oct1532414515
9520432265
10225057101
11106047805
1263455465
133781b4a9
1421c65c73
1514b588bb
hexd6a194d

225057101 has 4 divisors (see below), whose sum is σ = 238295772. Its totient is φ = 211818432.

The previous prime is 225057097. The next prime is 225057113. The reversal of 225057101 is 101750522.

It is a happy number.

225057101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 139476100 + 85581001 = 11810^2 + 9251^2 .

It is a cyclic number.

It is not a de Polignac number, because 225057101 - 22 = 225057097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225057601) 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, 6619310 + ... + 6619343.

It is an arithmetic number, because the mean of its divisors is an integer number (59573943).

Almost surely, 2225057101 is an apocalyptic number.

It is an amenable number.

225057101 is a deficient number, since it is larger than the sum of its proper divisors (13238671).

225057101 is a wasteful number, since it uses less digits than its factorization.

225057101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238670.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 225057101 is about 15001.9032459218. The cubic root of 225057101 is about 608.2716470300.

The spelling of 225057101 in words is "two hundred twenty-five million, fifty-seven thousand, one hundred one".

Divisors: 1 17 13238653 225057101