Base | Representation |
---|---|
bin | 100000000001011… |
… | …1111101100101101 |
3 | 2202212220121222002 |
4 | 1000002333230231 |
5 | 4200034331041 |
6 | 254342502045 |
7 | 35425220561 |
oct | 10002775455 |
9 | 2685817862 |
10 | 1074527021 |
11 | 5015a7067 |
12 | 25ba34925 |
13 | 141802409 |
14 | a29cb6a1 |
15 | 6450359b |
hex | 400bfb2d |
1074527021 has 4 divisors (see below), whose sum is σ = 1074784512. Its totient is φ = 1074269532.
The previous prime is 1074527011. The next prime is 1074527093. The reversal of 1074527021 is 1207254701.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1207254701 = 1423 ⋅848387.
It is a cyclic number.
It is not a de Polignac number, because 1074527021 - 210 = 1074525997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1074527011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122381 + ... + 130866.
It is an arithmetic number, because the mean of its divisors is an integer number (268696128).
Almost surely, 21074527021 is an apocalyptic number.
It is an amenable number.
1074527021 is a deficient number, since it is larger than the sum of its proper divisors (257491).
1074527021 is an equidigital number, since it uses as much as digits as its factorization.
1074527021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257490.
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 1074527021 is about 32779.9789658261. The cubic root of 1074527021 is about 1024.2495465852.
The spelling of 1074527021 in words is "one billion, seventy-four million, five hundred twenty-seven thousand, twenty-one".
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