Base | Representation |
---|---|
bin | 111001001011… |
… | …1011100011010 |
3 | 2002102011102202 |
4 | 1302113130122 |
5 | 30133333232 |
6 | 2550330202 |
7 | 512554352 |
oct | 162273432 |
9 | 62364382 |
10 | 29980442 |
11 | 15a17828 |
12 | a059962 |
13 | 629910b |
14 | 3da5b62 |
15 | 2973162 |
hex | 1c9771a |
29980442 has 8 divisors (see below), whose sum is σ = 47337600. Its totient is φ = 14201244.
The previous prime is 29980411. The next prime is 29980543. The reversal of 29980442 is 24408992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 788959 = 29980442 / (2 + 9 + 9 + 8 + 0 + 4 + 4 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 29980396 and 29980405.
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, 394442 + ... + 394517.
It is an arithmetic number, because the mean of its divisors is an integer number (5917200).
Almost surely, 229980442 is an apocalyptic number.
29980442 is a deficient number, since it is larger than the sum of its proper divisors (17357158).
29980442 is a wasteful number, since it uses less digits than its factorization.
29980442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788980.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 29980442 is about 5475.4398910042. The cubic root of 29980442 is about 310.6557123016.
The spelling of 29980442 in words is "twenty-nine million, nine hundred eighty thousand, four hundred forty-two".
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