Base | Representation |
---|---|
bin | 1011111110100001… |
… | …1010001011001001 |
3 | 22022001200000102221 |
4 | 2333220122023021 |
5 | 23041022304400 |
6 | 1251005254041 |
7 | 142446254014 |
oct | 27750321311 |
9 | 8261600387 |
10 | 3215041225 |
11 | 13aa897070 |
12 | 758864321 |
13 | 3c3106b76 |
14 | 226dc237b |
15 | 13c3bec1a |
hex | bfa1a2c9 |
3215041225 has 12 divisors (see below), whose sum is σ = 4349074320. Its totient is φ = 2338211600.
The previous prime is 3215041211. The next prime is 3215041283. The reversal of 3215041225 is 5221405123.
It is not a de Polignac number, because 3215041225 - 27 = 3215041097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 3215041225.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5845255 + ... + 5845804.
It is an arithmetic number, because the mean of its divisors is an integer number (362422860).
Almost surely, 23215041225 is an apocalyptic number.
It is an amenable number.
3215041225 is a deficient number, since it is larger than the sum of its proper divisors (1134033095).
3215041225 is a wasteful number, since it uses less digits than its factorization.
3215041225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11691080 (or 11691075 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 3215041225 is about 56701.3335381100. Note that the first 3 decimals coincide. The cubic root of 3215041225 is about 1475.9178391619.
Adding to 3215041225 its reverse (5221405123), we get a palindrome (8436446348).
The spelling of 3215041225 in words is "three billion, two hundred fifteen million, forty-one thousand, two hundred twenty-five".
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