Base | Representation |
---|---|
bin | 111001001000… |
… | …1111101100000 |
3 | 2002101000121222 |
4 | 1302101331200 |
5 | 30132123414 |
6 | 2550034212 |
7 | 512432030 |
oct | 162217540 |
9 | 62330558 |
10 | 29957984 |
11 | 15a01971 |
12 | a048968 |
13 | 628bb24 |
14 | 3d9b8c0 |
15 | 296b68e |
hex | 1c91f60 |
29957984 has 48 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 12161664.
The previous prime is 29957929. The next prime is 29958001. The reversal of 29957984 is 48975992.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737 + ... + 7775.
It is an arithmetic number, because the mean of its divisors is an integer number (1478400).
Almost surely, 229957984 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29957984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35481600).
29957984 is an abundant number, since it is smaller than the sum of its proper divisors (41005216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29957984 is a wasteful number, since it uses less digits than its factorization.
29957984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7075 (or 7067 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 53.
The square root of 29957984 is about 5473.3887126715. The cubic root of 29957984 is about 310.5781233992.
It can be divided in two parts, 299 and 57984, that multiplied together give a triangular number (17337216 = T5888).
The spelling of 29957984 in words is "twenty-nine million, nine hundred fifty-seven thousand, nine hundred eighty-four".
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