Base | Representation |
---|---|
bin | 11010110101111… |
… | …10011011010101 |
3 | 120200201002101012 |
4 | 31122332123111 |
5 | 430121102003 |
6 | 34202142005 |
7 | 5402646422 |
oct | 1532763325 |
9 | 520632335 |
10 | 225175253 |
11 | 106118556 |
12 | 634b1905 |
13 | 378601c4 |
14 | 21c96d49 |
15 | 14b7d8d8 |
hex | d6be6d5 |
225175253 has 2 divisors, whose sum is σ = 225175254. Its totient is φ = 225175252.
The previous prime is 225175231. The next prime is 225175271. The reversal of 225175253 is 352571522.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 214534609 + 10640644 = 14647^2 + 3262^2 .
It is a cyclic number.
It is not a de Polignac number, because 225175253 - 220 = 224126677 is a prime.
It is a super-2 number, since 2×2251752532 = 101407789127228018, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (225175273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112587626 + 112587627.
It is an arithmetic number, because the mean of its divisors is an integer number (112587627).
Almost surely, 2225175253 is an apocalyptic number.
It is an amenable number.
225175253 is a deficient number, since it is larger than the sum of its proper divisors (1).
225175253 is an equidigital number, since it uses as much as digits as its factorization.
225175253 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21000, while the sum is 32.
The square root of 225175253 is about 15005.8406295682. The cubic root of 225175253 is about 608.3780732634.
The spelling of 225175253 in words is "two hundred twenty-five million, one hundred seventy-five thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •