Base | Representation |
---|---|
bin | 111000001101… |
… | …1010010111000 |
3 | 2001110022212220 |
4 | 1300123102320 |
5 | 30021100203 |
6 | 2531404040 |
7 | 505335663 |
oct | 160332270 |
9 | 61408786 |
10 | 29471928 |
11 | 156aa772 |
12 | 9a53620 |
13 | 614b815 |
14 | 3cb26da |
15 | 28c2653 |
hex | 1c1b4b8 |
29471928 has 32 divisors (see below), whose sum is σ = 73852560. Its totient is φ = 9800960.
The previous prime is 29471927. The next prime is 29471941. The reversal of 29471928 is 82917492.
It is a self number, because there is not a number n which added to its sum of digits gives 29471928.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29471927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11326 + ... + 13682.
Almost surely, 229471928 is an apocalyptic number.
It is an amenable number.
29471928 is an abundant number, since it is smaller than the sum of its proper divisors (44380632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29471928 is a wasteful number, since it uses less digits than its factorization.
29471928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2887 (or 2883 counting only the distinct ones).
The product of its digits is 72576, while the sum is 42.
The square root of 29471928 is about 5428.8053934544. The cubic root of 29471928 is about 308.8892891054.
The spelling of 29471928 in words is "twenty-nine million, four hundred seventy-one thousand, nine hundred twenty-eight".
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