Base | Representation |
---|---|
bin | 111001001101… |
… | …1101011101001 |
3 | 2002110001020200 |
4 | 1302123223221 |
5 | 30134412201 |
6 | 2550542413 |
7 | 512656101 |
oct | 162335351 |
9 | 62401220 |
10 | 29997801 |
11 | 15a29879 |
12 | a067a09 |
13 | 62a3ca2 |
14 | 3dac201 |
15 | 2978386 |
hex | 1c9bae9 |
29997801 has 24 divisors (see below), whose sum is σ = 45327360. Its totient is φ = 19094400.
The previous prime is 29997791. The next prime is 29997829. The reversal of 29997801 is 10879992.
It is not a de Polignac number, because 29997801 - 210 = 29996777 is a prime.
It is not an unprimeable number, because it can be changed into a prime (29997871) 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, 21361 + ... + 22721.
It is an arithmetic number, because the mean of its divisors is an integer number (1888640).
Almost surely, 229997801 is an apocalyptic number.
It is an amenable number.
29997801 is a deficient number, since it is larger than the sum of its proper divisors (15329559).
29997801 is a wasteful number, since it uses less digits than its factorization.
29997801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1477 (or 1474 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 45.
The square root of 29997801 is about 5477.0248310556. The cubic root of 29997801 is about 310.7156584051.
The spelling of 29997801 in words is "twenty-nine million, nine hundred ninety-seven thousand, eight hundred one".
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