Base | Representation |
---|---|
bin | 1111110100000111… |
… | …00111100011101010 |
3 | 210220200211211222111 |
4 | 13322003213203222 |
5 | 114341444013004 |
6 | 3522250512534 |
7 | 420252451162 |
oct | 77203474352 |
9 | 23820754874 |
10 | 8490219754 |
11 | 3667564845 |
12 | 178b43574a |
13 | a53c82693 |
14 | 5a78355a2 |
15 | 34a580a04 |
hex | 1fa0e78ea |
8490219754 has 16 divisors (see below), whose sum is σ = 12868539840. Its totient is φ = 4200768000.
The previous prime is 8490219739. The next prime is 8490219757. The reversal of 8490219754 is 4579120948.
It is a junction number, because it is equal to n+sod(n) for n = 8490219698 and 8490219707.
It is not an unprimeable number, because it can be changed into a prime (8490219757) 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 7 ways as a sum of consecutive naturals, for example, 275629 + ... + 304879.
It is an arithmetic number, because the mean of its divisors is an integer number (804283740).
Almost surely, 28490219754 is an apocalyptic number.
8490219754 is a deficient number, since it is larger than the sum of its proper divisors (4378320086).
8490219754 is a wasteful number, since it uses less digits than its factorization.
8490219754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30765.
The product of its (nonzero) digits is 725760, while the sum is 49.
The square root of 8490219754 is about 92142.3884756630. The cubic root of 8490219754 is about 2040.0445134783.
The spelling of 8490219754 in words is "eight billion, four hundred ninety million, two hundred nineteen thousand, seven hundred fifty-four".
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