Base | Representation |
---|---|
bin | 111001000000… |
… | …1111000110001 |
3 | 2002020200022111 |
4 | 1302001320301 |
5 | 30123022040 |
6 | 2544405321 |
7 | 512036053 |
oct | 162017061 |
9 | 62220274 |
10 | 29892145 |
11 | 15967458 |
12 | a016841 |
13 | 6267b7a |
14 | 3d818d3 |
15 | 2956dea |
hex | 1c81e31 |
29892145 has 8 divisors (see below), whose sum is σ = 36219456. Its totient is φ = 23681136.
The previous prime is 29892143. The next prime is 29892179. The reversal of 29892145 is 54129892.
29892145 is nontrivially palindromic in base 14.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29892145 - 21 = 29892143 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 29892098 and 29892107.
It is not an unprimeable number, because it can be changed into a prime (29892143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28507 + ... + 29536.
It is an arithmetic number, because the mean of its divisors is an integer number (4527432).
Almost surely, 229892145 is an apocalyptic number.
It is an amenable number.
29892145 is a deficient number, since it is larger than the sum of its proper divisors (6327311).
29892145 is a wasteful number, since it uses less digits than its factorization.
29892145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58151.
The product of its digits is 51840, while the sum is 40.
The square root of 29892145 is about 5467.3709404064. The cubic root of 29892145 is about 310.3504361701.
The spelling of 29892145 in words is "twenty-nine million, eight hundred ninety-two thousand, one hundred forty-five".
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