Base | Representation |
---|---|
bin | 111000000010… |
… | …0100001111000 |
3 | 2001021120222021 |
4 | 1300010201320 |
5 | 30010104210 |
6 | 2525404224 |
7 | 504500062 |
oct | 160044170 |
9 | 61246867 |
10 | 29378680 |
11 | 15646701 |
12 | 9a09674 |
13 | 6118246 |
14 | 3c8a732 |
15 | 28a4bda |
hex | 1c04878 |
29378680 has 32 divisors (see below), whose sum is σ = 66906000. Its totient is φ = 11608576.
The previous prime is 29378677. The next prime is 29378719. The reversal of 29378680 is 8687392.
It is a congruent 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, 1105 + ... + 7744.
Almost surely, 229378680 is an apocalyptic number.
29378680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29378680 is an abundant number, since it is smaller than the sum of its proper divisors (37527320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29378680 is a wasteful number, since it uses less digits than its factorization.
29378680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8943 (or 8939 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 29378680 is about 5420.2103280223. The cubic root of 29378680 is about 308.5631738108.
The spelling of 29378680 in words is "twenty-nine million, three hundred seventy-eight thousand, six hundred eighty".
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