Base | Representation |
---|---|
bin | 111000000101… |
… | …0111110100010 |
3 | 2001022221012102 |
4 | 1300022332202 |
5 | 30011430330 |
6 | 2530130402 |
7 | 504640061 |
oct | 160127642 |
9 | 61287172 |
10 | 29405090 |
11 | 15664530 |
12 | 9a20a02 |
13 | 6127280 |
14 | 3c961d8 |
15 | 28ac945 |
hex | 1c0afa2 |
29405090 has 32 divisors (see below), whose sum is σ = 62185536. Its totient is φ = 9869760.
The previous prime is 29405083. The next prime is 29405093. The reversal of 29405090 is 9050492.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29405093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8852 + ... + 11711.
It is an arithmetic number, because the mean of its divisors is an integer number (1943298).
Almost surely, 229405090 is an apocalyptic number.
29405090 is an abundant number, since it is smaller than the sum of its proper divisors (32780446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29405090 is a wasteful number, since it uses less digits than its factorization.
29405090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20594.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 29405090 is about 5422.6460330728. The cubic root of 29405090 is about 308.6556071983.
The spelling of 29405090 in words is "twenty-nine million, four hundred five thousand, ninety".
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