Base | Representation |
---|---|
bin | 110111011100… |
… | …1010101011000 |
3 | 2000200221110212 |
4 | 1232321111120 |
5 | 24420230210 |
6 | 2515030252 |
7 | 502045112 |
oct | 156712530 |
9 | 60627425 |
10 | 29070680 |
11 | 15456261 |
12 | 989b388 |
13 | 603acb2 |
14 | 3c0a3b2 |
15 | 2843805 |
hex | 1bb9558 |
29070680 has 32 divisors (see below), whose sum is σ = 69258240. Its totient is φ = 10944000.
The previous prime is 29070677. The next prime is 29070683. The reversal of 29070680 is 8607092.
It is an interprime number because it is at equal distance from previous prime (29070677) and next prime (29070683).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29070683) 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, 20696 + ... + 22055.
It is an arithmetic number, because the mean of its divisors is an integer number (2164320).
Almost surely, 229070680 is an apocalyptic number.
29070680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29070680 is an abundant number, since it is smaller than the sum of its proper divisors (40187560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29070680 is a wasteful number, since it uses less digits than its factorization.
29070680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42779 (or 42775 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 29070680 is about 5391.7232866682. The cubic root of 29070680 is about 307.4810793214.
The spelling of 29070680 in words is "twenty-nine million, seventy thousand, six hundred eighty".
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