Base | Representation |
---|---|
bin | 111000010010… |
… | …0001100011100 |
3 | 2001112011212222 |
4 | 1300210030130 |
5 | 30023232010 |
6 | 2532244512 |
7 | 505550156 |
oct | 160441434 |
9 | 61464788 |
10 | 29508380 |
11 | 157250a0 |
12 | 9a70738 |
13 | 61622a5 |
14 | 3cc1ad6 |
15 | 28cd355 |
hex | 1c2431c |
29508380 has 24 divisors (see below), whose sum is σ = 67601520. Its totient is φ = 10730240.
The previous prime is 29508343. The next prime is 29508389. The reversal of 29508380 is 8380592.
It is a self number, because there is not a number n which added to its sum of digits gives 29508380.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29508389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66845 + ... + 67284.
It is an arithmetic number, because the mean of its divisors is an integer number (2816730).
Almost surely, 229508380 is an apocalyptic number.
29508380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29508380 is an abundant number, since it is smaller than the sum of its proper divisors (38093140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29508380 is a wasteful number, since it uses less digits than its factorization.
29508380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134149 (or 134147 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 29508380 is about 5432.1616323523. The cubic root of 29508380 is about 309.0165853067.
The spelling of 29508380 in words is "twenty-nine million, five hundred eight thousand, three hundred eighty".
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