Base | Representation |
---|---|
bin | 101001110010010001001 |
3 | 2120120020001 |
4 | 11032102021 |
5 | 322303400 |
6 | 45203001 |
7 | 14431624 |
oct | 5162211 |
9 | 2516201 |
10 | 1369225 |
11 | 8557a0 |
12 | 560461 |
13 | 38c2c0 |
14 | 278dbb |
15 | 1c0a6a |
hex | 14e489 |
1369225 has 24 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 916800.
The previous prime is 1369223. The next prime is 1369229. The reversal of 1369225 is 5229631.
It is not a de Polignac number, because 1369225 - 21 = 1369223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1369193 and 1369202.
It is not an unprimeable number, because it can be changed into a prime (1369223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3384 + ... + 3766.
It is an arithmetic number, because the mean of its divisors is an integer number (83328).
21369225 is an apocalyptic number.
It is an amenable number.
1369225 is a deficient number, since it is larger than the sum of its proper divisors (630647).
1369225 is a wasteful number, since it uses less digits than its factorization.
1369225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417 (or 412 counting only the distinct ones).
The product of its digits is 3240, while the sum is 28.
The square root of 1369225 is about 1170.1388806462. The cubic root of 1369225 is about 111.0431074621.
It can be divided in two parts, 1369 and 225, that multiplied together give a square (308025 = 5552).
The spelling of 1369225 in words is "one million, three hundred sixty-nine thousand, two hundred twenty-five".
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