Base | Representation |
---|---|
bin | 111100110101011… |
… | …010000101101110 |
3 | 2122010111112220001 |
4 | 330311122011232 |
5 | 4042240232304 |
6 | 245135414514 |
7 | 34202145511 |
oct | 7465320556 |
9 | 2563445801 |
10 | 1020633454 |
11 | 484137025 |
12 | 24598443a |
13 | 1335b2a29 |
14 | 9979cd78 |
15 | 5e909da4 |
hex | 3cd5a16e |
1020633454 has 16 divisors (see below), whose sum is σ = 1624133808. Its totient is φ = 479371392.
The previous prime is 1020633451. The next prime is 1020633463. The reversal of 1020633454 is 4543360201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020633451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10917 + ... + 46480.
It is an arithmetic number, because the mean of its divisors is an integer number (101508363).
Almost surely, 21020633454 is an apocalyptic number.
1020633454 is a deficient number, since it is larger than the sum of its proper divisors (603500354).
1020633454 is a wasteful number, since it uses less digits than its factorization.
1020633454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57939.
The product of its (nonzero) digits is 8640, while the sum is 28.
The square root of 1020633454 is about 31947.3544131592. The cubic root of 1020633454 is about 1006.8310485232.
Adding to 1020633454 its reverse (4543360201), we get a palindrome (5563993655).
It can be divided in two parts, 10206 and 33454, that added together give a triangular number (43660 = T295).
The spelling of 1020633454 in words is "one billion, twenty million, six hundred thirty-three thousand, four hundred fifty-four".
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