Base | Representation |
---|---|
bin | 1011110100111001000001 |
3 | 12211111201011 |
4 | 23310321001 |
5 | 1243201400 |
6 | 150240521 |
7 | 35231362 |
oct | 13647101 |
9 | 5744634 |
10 | 3100225 |
11 | 1828277 |
12 | 1056141 |
13 | 84716b |
14 | 5a9b69 |
15 | 4138ba |
hex | 2f4e41 |
3100225 has 12 divisors (see below), whose sum is σ = 3866940. Its totient is φ = 2465600.
The previous prime is 3100219. The next prime is 3100231. The reversal of 3100225 is 5220013.
3100225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (3100219) and next prime (3100231).
It can be written as a sum of positive squares in 6 ways, for example, as 703921 + 2396304 = 839^2 + 1548^2 .
It is not a de Polignac number, because 3100225 - 29 = 3099713 is a prime.
It is a super-2 number, since 2×31002252 = 19222790101250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6495 + ... + 6955.
It is an arithmetic number, because the mean of its divisors is an integer number (322245).
Almost surely, 23100225 is an apocalyptic number.
It is an amenable number.
3100225 is a deficient number, since it is larger than the sum of its proper divisors (766715).
3100225 is a wasteful number, since it uses less digits than its factorization.
3100225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740 (or 735 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 3100225 is about 1760.7455807129. The cubic root of 3100225 is about 145.8135011580.
Adding to 3100225 its reverse (5220013), we get a palindrome (8320238).
The spelling of 3100225 in words is "three million, one hundred thousand, two hundred twenty-five".
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