Base | Representation |
---|---|
bin | 111000101010… |
… | …0000001100010 |
3 | 2001220010121220 |
4 | 1301110001202 |
5 | 30101014130 |
6 | 2540355510 |
7 | 510324300 |
oct | 161240142 |
9 | 61803556 |
10 | 29704290 |
11 | 15849300 |
12 | 9b45b96 |
13 | 6200505 |
14 | 3d33270 |
15 | 291b410 |
hex | 1c54062 |
29704290 has 144 divisors (see below), whose sum is σ = 91699776. Its totient is φ = 6135360.
The previous prime is 29704261. The next prime is 29704291. The reversal of 29704290 is 9240792.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29704291) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177787 + ... + 177953.
It is an arithmetic number, because the mean of its divisors is an integer number (636804).
Almost surely, 229704290 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29704290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45849888).
29704290 is an abundant number, since it is smaller than the sum of its proper divisors (61995486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29704290 is a wasteful number, since it uses less digits than its factorization.
29704290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213 (or 195 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 29704290 is about 5450.1642177094. The cubic root of 29704290 is about 309.6989446318.
It can be divided in two parts, 2970 and 4290, that added together give a triangular number (7260 = T120).
The spelling of 29704290 in words is "twenty-nine million, seven hundred four thousand, two hundred ninety".
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