Base | Representation |
---|---|
bin | 111000010000… |
… | …0001111001100 |
3 | 2001111100122200 |
4 | 1300200033030 |
5 | 30022222142 |
6 | 2532041500 |
7 | 505452003 |
oct | 160401714 |
9 | 61440580 |
10 | 29492172 |
11 | 157139a6 |
12 | 9a63290 |
13 | 6157ab8 |
14 | 3cb9c3a |
15 | 28c864c |
hex | 1c203cc |
29492172 has 36 divisors (see below), whose sum is σ = 74769240. Its totient is φ = 9801792.
The previous prime is 29492167. The next prime is 29492173. The reversal of 29492172 is 27129492.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (29492173) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13723 + ... + 15725.
Almost surely, 229492172 is an apocalyptic number.
It is an amenable number.
29492172 is an abundant number, since it is smaller than the sum of its proper divisors (45277068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29492172 is a wasteful number, since it uses less digits than its factorization.
29492172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2422 (or 2417 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 29492172 is about 5430.6695719773. The cubic root of 29492172 is about 308.9599973351.
The spelling of 29492172 in words is "twenty-nine million, four hundred ninety-two thousand, one hundred seventy-two".
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