Base | Representation |
---|---|
bin | 111111111111111… |
… | …100000000010101 |
3 | 2202211101220102200 |
4 | 333333330000111 |
5 | 4144333203321 |
6 | 254313355113 |
7 | 35415341634 |
oct | 7777740025 |
9 | 2684356380 |
10 | 1073725461 |
11 | 5010a9916 |
12 | 25b708a99 |
13 | 1415b1613 |
14 | a285d51b |
15 | 643e5d26 |
hex | 3fffc015 |
1073725461 has 12 divisors (see below), whose sum is σ = 1552469100. Its totient is φ = 715109760.
The previous prime is 1073725427. The next prime is 1073725469. The reversal of 1073725461 is 1645273701.
It is a happy number.
1073725461 is a `hidden beast` number, since 107 + 3 + 7 + 2 + 546 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 778744836 + 294980625 = 27906^2 + 17175^2 .
It is not a de Polignac number, because 1073725461 - 221 = 1071628309 is a prime.
It is a super-3 number, since 3×10737254613 (a number of 28 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a zygodrome in base 4.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1073725469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49236 + ... + 67613.
It is an arithmetic number, because the mean of its divisors is an integer number (129372425).
Almost surely, 21073725461 is an apocalyptic number.
It is an amenable number.
1073725461 is a deficient number, since it is larger than the sum of its proper divisors (478743639).
1073725461 is a wasteful number, since it uses less digits than its factorization.
1073725461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117876 (or 117873 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 1073725461 is about 32767.7503194833. The cubic root of 1073725461 is about 1023.9947983160.
The spelling of 1073725461 in words is "one billion, seventy-three million, seven hundred twenty-five thousand, four hundred sixty-one".
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