Base | Representation |
---|---|
bin | 111110010000110100001 |
3 | 10211122122220 |
4 | 13302012201 |
5 | 1010241400 |
6 | 111421253 |
7 | 23225115 |
oct | 7620641 |
9 | 3748586 |
10 | 2040225 |
11 | 1173940 |
12 | 824829 |
13 | 565845 |
14 | 3b1745 |
15 | 2a47a0 |
hex | 1f21a1 |
2040225 has 24 divisors (see below), whose sum is σ = 3681312. Its totient is φ = 988800.
The previous prime is 2040211. The next prime is 2040229. The reversal of 2040225 is 5220402.
It is not a de Polignac number, because 2040225 - 25 = 2040193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an Ulam number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2040229) 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, 412 + ... + 2061.
It is an arithmetic number, because the mean of its divisors is an integer number (153388).
22040225 is an apocalyptic number.
2040225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2040225 is the 825-th octagonal number.
It is an amenable number.
2040225 is a deficient number, since it is larger than the sum of its proper divisors (1641087).
2040225 is a wasteful number, since it uses less digits than its factorization.
2040225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2497 (or 2492 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 15.
The square root of 2040225 is about 1428.3644492916. The cubic root of 2040225 is about 126.8311766758.
Adding to 2040225 its reverse (5220402), we get a palindrome (7260627).
The spelling of 2040225 in words is "two million, forty thousand, two hundred twenty-five".
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