Base | Representation |
---|---|
bin | 111000010000… |
… | …0000000000000 |
3 | 2001111022022200 |
4 | 1300200000000 |
5 | 30022204300 |
6 | 2532033200 |
7 | 505446114 |
oct | 160400000 |
9 | 61438280 |
10 | 29491200 |
11 | 157131a2 |
12 | 9a62800 |
13 | 615751b |
14 | 3cb9744 |
15 | 28c8200 |
hex | 1c20000 |
29491200 has 162 divisors, whose sum is σ = 105643629. Its totient is φ = 7864320.
The previous prime is 29491193. The next prime is 29491237. The reversal of 29491200 is 219492.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a Jordan-Polya number, since it can be written as (5!)2 ⋅ (2!)11.
It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 589824 = 5376^2 + 768^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3840.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5898238 + ... + 5898242.
Almost surely, 229491200 is an apocalyptic number.
29491200 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 29491200
29491200 is an abundant number, since it is smaller than the sum of its proper divisors (76152429).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29491200 is an frugal number, since it uses more digits than its factorization.
29491200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50 (or 10 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 29491200 is about 5430.5800795127. The cubic root of 29491200 is about 308.9566030738.
The spelling of 29491200 in words is "twenty-nine million, four hundred ninety-one thousand, two hundred".
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