Base | Representation |
---|---|
bin | 110111010100… |
… | …0011000110110 |
3 | 2000120102021010 |
4 | 1232220120312 |
5 | 24411020040 |
6 | 2513333050 |
7 | 501335544 |
oct | 156503066 |
9 | 60512233 |
10 | 29001270 |
11 | 154090a1 |
12 | 9867186 |
13 | 601551c |
14 | 3bccd94 |
15 | 282ce80 |
hex | 1ba8636 |
29001270 has 32 divisors (see below), whose sum is σ = 69753600. Its totient is φ = 7716960.
The previous prime is 29001263. The next prime is 29001283. The reversal of 29001270 is 7210092.
It is a happy number.
It is a super-2 number, since 2×290012702 = 1682147323225800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20031 + ... + 21429.
It is an arithmetic number, because the mean of its divisors is an integer number (2179800).
Almost surely, 229001270 is an apocalyptic number.
29001270 is an abundant number, since it is smaller than the sum of its proper divisors (40752330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29001270 is a wasteful number, since it uses less digits than its factorization.
29001270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2100.
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 29001270 is about 5385.2827223833. The cubic root of 29001270 is about 307.2361673794.
The spelling of 29001270 in words is "twenty-nine million, one thousand, two hundred seventy".
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