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225042141 = 31716572663
BaseRepresentation
bin11010110100111…
…01111011011101
3120200110022210010
431122131323131
5430102322031
634155233433
75401553352
oct1532357335
9520408703
10225042141
11106037545
1263448879
133781473c
1421c60629
1514b54246
hexd69dedd

225042141 has 16 divisors (see below), whose sum is σ = 318017664. Its totient is φ = 141064704.

The previous prime is 225042131. The next prime is 225042173. The reversal of 225042141 is 141240522.

It is not a de Polignac number, because 225042141 - 25 = 225042109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225042131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83176 + ... + 85838.

It is an arithmetic number, because the mean of its divisors is an integer number (19876104).

Almost surely, 2225042141 is an apocalyptic number.

It is an amenable number.

225042141 is a deficient number, since it is larger than the sum of its proper divisors (92975523).

225042141 is a wasteful number, since it uses less digits than its factorization.

225042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 225042141 is about 15001.4046342334. The cubic root of 225042141 is about 608.2581690498.

Adding to 225042141 its reverse (141240522), we get a palindrome (366282663).

The spelling of 225042141 in words is "two hundred twenty-five million, forty-two thousand, one hundred forty-one".

Divisors: 1 3 17 51 1657 2663 4971 7989 28169 45271 84507 135813 4412591 13237773 75014047 225042141