Base | Representation |
---|---|
bin | 110111111110… |
… | …0100011001000 |
3 | 2001012221010121 |
4 | 1233330203020 |
5 | 30003032432 |
6 | 2524553024 |
7 | 504302554 |
oct | 157744310 |
9 | 61187117 |
10 | 29345992 |
11 | 15624095 |
12 | 99b2774 |
13 | 61063c0 |
14 | 3c7c864 |
15 | 289a197 |
hex | 1bfc8c8 |
29345992 has 32 divisors (see below), whose sum is σ = 59887800. Its totient is φ = 13400064.
The previous prime is 29345989. The next prime is 29346007. The reversal of 29345992 is 29954392.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 24740676 + 4605316 = 4974^2 + 2146^2 .
It is a super-2 number, since 2×293459922 = 1722374492928128, which contains 22 as substring.
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, 8634 + ... + 11542.
Almost surely, 229345992 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 29345992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29943900).
29345992 is an abundant number, since it is smaller than the sum of its proper divisors (30541808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29345992 is a wasteful number, since it uses less digits than its factorization.
29345992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3025 (or 3021 counting only the distinct ones).
The product of its digits is 174960, while the sum is 43.
The square root of 29345992 is about 5417.1941076539. The cubic root of 29345992 is about 308.4486910616.
Subtracting 29345992 from its reverse (29954392), we obtain a square (608400 = 7802).
The spelling of 29345992 in words is "twenty-nine million, three hundred forty-five thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •