Base | Representation |
---|---|
bin | 111000110011… |
… | …0101111101010 |
3 | 2002001000210220 |
4 | 1301212233222 |
5 | 30110442340 |
6 | 2542150510 |
7 | 511063662 |
oct | 161465752 |
9 | 62030726 |
10 | 29780970 |
11 | 158a097a |
12 | 9b82436 |
13 | 622939b |
14 | 3d531a2 |
15 | 2933ed0 |
hex | 1c66bea |
29780970 has 32 divisors (see below), whose sum is σ = 73941120. Its totient is φ = 7667520.
The previous prime is 29780969. The next prime is 29780977. The reversal of 29780970 is 7908792.
It is not an unprimeable number, because it can be changed into a prime (29780977) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16246 + ... + 17985.
It is an arithmetic number, because the mean of its divisors is an integer number (2310660).
Almost surely, 229780970 is an apocalyptic number.
29780970 is an abundant number, since it is smaller than the sum of its proper divisors (44160150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29780970 is a wasteful number, since it uses less digits than its factorization.
29780970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34270.
The product of its (nonzero) digits is 63504, while the sum is 42.
The square root of 29780970 is about 5457.1943340878. The cubic root of 29780970 is about 309.9652059458.
The spelling of 29780970 in words is "twenty-nine million, seven hundred eighty thousand, nine hundred seventy".
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