Base | Representation |
---|---|
bin | 11010111100000… |
… | …01101101000111 |
3 | 120202012201120120 |
4 | 31132001231013 |
5 | 430322200421 |
6 | 34231233023 |
7 | 5412520365 |
oct | 1536015507 |
9 | 522181516 |
10 | 225975111 |
11 | 10661449a |
12 | 63818773 |
13 | 37a802ab |
14 | 22024635 |
15 | 14c8a8c6 |
hex | d781b47 |
225975111 has 8 divisors (see below), whose sum is σ = 301369584. Its totient is φ = 150615360.
The previous prime is 225975109. The next prime is 225975137. The reversal of 225975111 is 111579522.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 225975111 - 21 = 225975109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225975311) 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, 21691 + ... + 30371.
It is an arithmetic number, because the mean of its divisors is an integer number (37671198).
Almost surely, 2225975111 is an apocalyptic number.
225975111 is a deficient number, since it is larger than the sum of its proper divisors (75394473).
225975111 is an equidigital number, since it uses as much as digits as its factorization.
225975111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17361.
The product of its digits is 6300, while the sum is 33.
The square root of 225975111 is about 15032.4685597542. The cubic root of 225975111 is about 609.0975736197.
The spelling of 225975111 in words is "two hundred twenty-five million, nine hundred seventy-five thousand, one hundred eleven".
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