Base | Representation |
---|---|
bin | 111000000010… |
… | …1001100100000 |
3 | 2001021201201022 |
4 | 1300011030200 |
5 | 30010201113 |
6 | 2525425012 |
7 | 504511040 |
oct | 160051440 |
9 | 61251638 |
10 | 29381408 |
11 | 15648761 |
12 | 9a0b168 |
13 | 6119564 |
14 | 3c8b720 |
15 | 28a5908 |
hex | 1c05320 |
29381408 has 48 divisors (see below), whose sum is σ = 68402880. Its totient is φ = 12155136.
The previous prime is 29381399. The next prime is 29381413. The reversal of 29381408 is 80418392.
It is a happy number.
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, 4235 + ... + 8757.
It is an arithmetic number, because the mean of its divisors is an integer number (1425060).
Almost surely, 229381408 is an apocalyptic number.
29381408 is a gapful number since it is divisible by the number (28) 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 29381408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34201440).
29381408 is an abundant number, since it is smaller than the sum of its proper divisors (39021472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29381408 is a wasteful number, since it uses less digits than its factorization.
29381408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4569 (or 4561 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 29381408 is about 5420.4619729318. The cubic root of 29381408 is about 308.5727242091.
The spelling of 29381408 in words is "twenty-nine million, three hundred eighty-one thousand, four hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •