Base | Representation |
---|---|
bin | 111000000100… |
… | …1110110101010 |
3 | 2001022200220001 |
4 | 1300021312222 |
5 | 30011303430 |
6 | 2530053214 |
7 | 504620500 |
oct | 160116652 |
9 | 61280801 |
10 | 29400490 |
11 | 15661029 |
12 | 9a1a20a |
13 | 6125152 |
14 | 3c94670 |
15 | 28ab3ca |
hex | 1c09daa |
29400490 has 48 divisors (see below), whose sum is σ = 63714600. Its totient is φ = 9727872.
The previous prime is 29400487. The next prime is 29400491. The reversal of 29400490 is 9400492.
It can be written as a sum of positive squares in 4 ways, for example, as 18896409 + 10504081 = 4347^2 + 3241^2 .
It is not an unprimeable number, because it can be changed into a prime (29400491) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13176 + ... + 15244.
Almost surely, 229400490 is an apocalyptic number.
29400490 is an abundant number, since it is smaller than the sum of its proper divisors (34314110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29400490 is a wasteful number, since it uses less digits than its factorization.
29400490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2119 (or 2112 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 29400490 is about 5422.2218693078. The cubic root of 29400490 is about 308.6395114608.
It can be divided in two parts, 29400 and 490, that added together give a triangular number (29890 = T244).
The spelling of 29400490 in words is "twenty-nine million, four hundred thousand, four hundred ninety".
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