Base | Representation |
---|---|
bin | 100000000110110110001 |
3 | 1222110011222 |
4 | 10000312301 |
5 | 232131311 |
6 | 34314425 |
7 | 11641202 |
oct | 4006661 |
9 | 1873158 |
10 | 1052081 |
11 | 659498 |
12 | 428a15 |
13 | 2aab44 |
14 | 1d55a9 |
15 | 15badb |
hex | 100db1 |
1052081 has 6 divisors (see below), whose sum is σ = 1079010. Its totient is φ = 1025808.
The previous prime is 1052063. The next prime is 1052083. The reversal of 1052081 is 1802501.
It can be written as a sum of positive squares in only one way, i.e., 739600 + 312481 = 860^2 + 559^2 .
It is a de Polignac number, because none of the positive numbers 2k-1052081 is a prime.
It is a super-3 number, since 3×10520813 = 3493564673337142323, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1052083) 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, 1565 + ... + 2133.
It is an arithmetic number, because the mean of its divisors is an integer number (179835).
21052081 is an apocalyptic number.
It is an amenable number.
1052081 is a deficient number, since it is larger than the sum of its proper divisors (26929).
1052081 is an frugal number, since it uses more digits than its factorization.
1052081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 655 (or 612 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1052081 is about 1025.7099980014. The cubic root of 1052081 is about 101.7067380635.
Adding to 1052081 its reverse (1802501), we get a palindrome (2854582).
It can be divided in two parts, 10520 and 81, that added together give a palindrome (10601).
The spelling of 1052081 in words is "one million, fifty-two thousand, eighty-one".
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