Base | Representation |
---|---|
bin | 110111110001… |
… | …1001100011111 |
3 | 2001000122200100 |
4 | 1233203030133 |
5 | 24441222033 |
6 | 2522432143 |
7 | 503361030 |
oct | 157431437 |
9 | 61018610 |
10 | 29242143 |
11 | 15563067 |
12 | 9962653 |
13 | 609b058 |
14 | 3c52a87 |
15 | 2879513 |
hex | 1be331f |
29242143 has 24 divisors (see below), whose sum is σ = 49454496. Its totient is φ = 16300800.
The previous prime is 29242141. The next prime is 29242151. The reversal of 29242143 is 34124292.
It is not a de Polignac number, because 29242143 - 21 = 29242141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29242141) 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, 3078 + ... + 8243.
It is an arithmetic number, because the mean of its divisors is an integer number (2060604).
Almost surely, 229242143 is an apocalyptic number.
29242143 is a deficient number, since it is larger than the sum of its proper divisors (20212353).
29242143 is a wasteful number, since it uses less digits than its factorization.
29242143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11375 (or 11372 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 29242143 is about 5407.6004845033. The cubic root of 29242143 is about 308.0844170418.
The spelling of 29242143 in words is "twenty-nine million, two hundred forty-two thousand, one hundred forty-three".
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