Base | Representation |
---|---|
bin | 111000100010… |
… | …1110010010010 |
3 | 2001210011121220 |
4 | 1301011302102 |
5 | 30042132340 |
6 | 2535225510 |
7 | 506662254 |
oct | 161056222 |
9 | 61704556 |
10 | 29645970 |
11 | 15809502 |
12 | 9b18296 |
13 | 61acac3 |
14 | 3d19cd4 |
15 | 2908ed0 |
hex | 1c45c92 |
29645970 has 16 divisors (see below), whose sum is σ = 71150400. Its totient is φ = 7905584.
The previous prime is 29645969. The next prime is 29645971. The reversal of 29645970 is 7954692.
It is an interprime number because it is at equal distance from previous prime (29645969) and next prime (29645971).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29645971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494070 + ... + 494129.
It is an arithmetic number, because the mean of its divisors is an integer number (4446900).
Almost surely, 229645970 is an apocalyptic number.
29645970 is an abundant number, since it is smaller than the sum of its proper divisors (41504430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29645970 is a wasteful number, since it uses less digits than its factorization.
29645970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 988209.
The product of its (nonzero) digits is 136080, while the sum is 42.
The square root of 29645970 is about 5444.8112914958. The cubic root of 29645970 is about 309.4961290809.
The spelling of 29645970 in words is "twenty-nine million, six hundred forty-five thousand, nine hundred seventy".
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