Base | Representation |
---|---|
bin | 110111110110… |
… | …1001010100100 |
3 | 2001002201200211 |
4 | 1233231022210 |
5 | 24444023410 |
6 | 2523345204 |
7 | 503621056 |
oct | 157551244 |
9 | 61081624 |
10 | 29282980 |
11 | 15590811 |
12 | 9982204 |
13 | 60b380c |
14 | 3c638d6 |
15 | 288668a |
hex | 1bed2a4 |
29282980 has 12 divisors (see below), whose sum is σ = 61494300. Its totient is φ = 11713184.
The previous prime is 29282969. The next prime is 29282987. The reversal of 29282980 is 8928292.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 23290276 + 5992704 = 4826^2 + 2448^2 .
It is not an unprimeable number, because it can be changed into a prime (29282987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732055 + ... + 732094.
It is an arithmetic number, because the mean of its divisors is an integer number (5124525).
Almost surely, 229282980 is an apocalyptic number.
29282980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29282980 is an abundant number, since it is smaller than the sum of its proper divisors (32211320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29282980 is a wasteful number, since it uses less digits than its factorization.
29282980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1464158 (or 1464156 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 29282980 is about 5411.3750563050. The cubic root of 29282980 is about 308.2277648493.
The spelling of 29282980 in words is "twenty-nine million, two hundred eighty-two thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •