Base | Representation |
---|---|
bin | 111010001000110… |
… | …011001101100101 |
3 | 2111222100201021212 |
4 | 322020303031211 |
5 | 3444144313240 |
6 | 240441521205 |
7 | 33112432226 |
oct | 7210631545 |
9 | 2458321255 |
10 | 975385445 |
11 | 460641581 |
12 | 2327a3205 |
13 | 1270cc568 |
14 | 9378124d |
15 | 5a96d165 |
hex | 3a233365 |
975385445 has 6 divisors (see below), whose sum is σ = 1170546342. Its totient is φ = 780252488.
The previous prime is 975385441. The next prime is 975385487. The reversal of 975385445 is 544583579.
It is a happy number.
975385445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 780308356 + 195077089 = 27934^2 + 13967^2 .
It is not a de Polignac number, because 975385445 - 22 = 975385441 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 975385393 and 975385402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (975385441) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62852 + ... + 76818.
It is an arithmetic number, because the mean of its divisors is an integer number (195091057).
Almost surely, 2975385445 is an apocalyptic number.
It is an amenable number.
975385445 is a deficient number, since it is larger than the sum of its proper divisors (195160897).
975385445 is an frugal number, since it uses more digits than its factorization.
975385445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27939 (or 13972 counting only the distinct ones).
The product of its digits is 3024000, while the sum is 50.
The square root of 975385445 is about 31231.1614417396. The cubic root of 975385445 is about 991.7268927793.
The spelling of 975385445 in words is "nine hundred seventy-five million, three hundred eighty-five thousand, four hundred forty-five".
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