Base | Representation |
---|---|
bin | 111101001101110… |
… | …000001011100010 |
3 | 2122120111210021012 |
4 | 331031300023202 |
5 | 4100403443034 |
6 | 245524300522 |
7 | 34310325656 |
oct | 7515601342 |
9 | 2576453235 |
10 | 1027015394 |
11 | 4877a5959 |
12 | 247b41742 |
13 | 134a08822 |
14 | 9a580a66 |
15 | 6026acce |
hex | 3d3702e2 |
1027015394 has 4 divisors (see below), whose sum is σ = 1540523094. Its totient is φ = 513507696.
The previous prime is 1027015393. The next prime is 1027015403. The reversal of 1027015394 is 4935107201.
1027015394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4935107201 = 617 ⋅7998553.
It can be written as a sum of positive squares in only one way, i.e., 994582369 + 32433025 = 31537^2 + 5695^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1027015394.
It is not an unprimeable number, because it can be changed into a prime (1027015391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256753847 + ... + 256753850.
Almost surely, 21027015394 is an apocalyptic number.
1027015394 is a deficient number, since it is larger than the sum of its proper divisors (513507700).
1027015394 is an equidigital number, since it uses as much as digits as its factorization.
1027015394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513507699.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 1027015394 is about 32047.0808967057. The cubic root of 1027015394 is about 1008.9252345278.
The spelling of 1027015394 in words is "one billion, twenty-seven million, fifteen thousand, three hundred ninety-four".
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