Base | Representation |
---|---|
bin | 111000101010… |
… | …1011001110110 |
3 | 2001220102101020 |
4 | 1301111121312 |
5 | 30101204232 |
6 | 2540442010 |
7 | 510346623 |
oct | 161253166 |
9 | 61812336 |
10 | 29709942 |
11 | 15852579 |
12 | 9b49306 |
13 | 6202c62 |
14 | 3d3534a |
15 | 291ce2c |
hex | 1c55676 |
29709942 has 8 divisors (see below), whose sum is σ = 59419896. Its totient is φ = 9903312.
The previous prime is 29709937. The next prime is 29709959. The reversal of 29709942 is 24990792.
It is a sphenic number, since it is the product of 3 distinct primes.
29709942 is an admirable number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 29709894 and 29709903.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475823 + ... + 2475834.
It is an arithmetic number, because the mean of its divisors is an integer number (7427487).
Almost surely, 229709942 is an apocalyptic number.
29709942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29709942 is a wasteful number, since it uses less digits than its factorization.
29709942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4951662.
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 29709942 is about 5450.6827095328. The cubic root of 29709942 is about 309.7185860980.
The spelling of 29709942 in words is "twenty-nine million, seven hundred nine thousand, nine hundred forty-two".
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