Base | Representation |
---|---|
bin | 111001000010… |
… | …1010110010000 |
3 | 2002021101202111 |
4 | 1302011112100 |
5 | 30124000240 |
6 | 2544555104 |
7 | 512125303 |
oct | 162052620 |
9 | 62241674 |
10 | 29906320 |
11 | 15977074 |
12 | a022a94 |
13 | 6271462 |
14 | 3d86b3a |
15 | 295b1ea |
hex | 1c85590 |
29906320 has 60 divisors (see below), whose sum is σ = 72032220. Its totient is φ = 11546880.
The previous prime is 29906299. The next prime is 29906339. The reversal of 29906320 is 2360992.
It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 21049744 = 2976^2 + 4588^2 .
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76686 + ... + 77074.
It is an arithmetic number, because the mean of its divisors is an integer number (1200537).
Almost surely, 229906320 is an apocalyptic number.
29906320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29906320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36016110).
29906320 is an abundant number, since it is smaller than the sum of its proper divisors (42125900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29906320 is a wasteful number, since it uses less digits than its factorization.
29906320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464 (or 427 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 31.
The square root of 29906320 is about 5468.6671136576. The cubic root of 29906320 is about 310.3994849781.
The spelling of 29906320 in words is "twenty-nine million, nine hundred six thousand, three hundred twenty".
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