Base | Representation |
---|---|
bin | 11101010000010… |
… | …000111101101001 |
3 | 1021012112101012201 |
4 | 131100100331221 |
5 | 2001121144144 |
6 | 120411340201 |
7 | 15106520452 |
oct | 3520207551 |
9 | 1235471181 |
10 | 490803049 |
11 | 232055660 |
12 | 118451661 |
13 | 7a8b4c09 |
14 | 49280129 |
15 | 2d14d1d4 |
hex | 1d410f69 |
490803049 has 32 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 414691200.
The previous prime is 490803031. The next prime is 490803059. The reversal of 490803049 is 940308094.
It is not a de Polignac number, because 490803049 - 211 = 490801001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 490802999 and 490803017.
It is not an unprimeable number, because it can be changed into a prime (490803029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598554 + ... + 1598860.
It is an arithmetic number, because the mean of its divisors is an integer number (17962560).
Almost surely, 2490803049 is an apocalyptic number.
It is an amenable number.
490803049 is a deficient number, since it is larger than the sum of its proper divisors (83998871).
490803049 is a wasteful number, since it uses less digits than its factorization.
490803049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 490803049 is about 22154.0752233082. The cubic root of 490803049 is about 788.8039632627.
The spelling of 490803049 in words is "four hundred ninety million, eight hundred three thousand, forty-nine".
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