Base | Representation |
---|---|
bin | 111000111110… |
… | …1101011111011 |
3 | 2002012210201020 |
4 | 1301331223323 |
5 | 30121444224 |
6 | 2544153523 |
7 | 511634643 |
oct | 161755373 |
9 | 62183636 |
10 | 29874939 |
11 | 15955536 |
12 | a0088a3 |
13 | 62600a3 |
14 | 3d79523 |
15 | 2951c79 |
hex | 1c7dafb |
29874939 has 8 divisors (see below), whose sum is σ = 40680960. Its totient is φ = 19492776.
The previous prime is 29874931. The next prime is 29874941. The reversal of 29874939 is 93947892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29874939 - 23 = 29874931 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 29874891 and 29874900.
It is not an unprimeable number, because it can be changed into a prime (29874931) 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, 105799 + ... + 106080.
It is an arithmetic number, because the mean of its divisors is an integer number (5085120).
Almost surely, 229874939 is an apocalyptic number.
29874939 is a deficient number, since it is larger than the sum of its proper divisors (10806021).
29874939 is a wasteful number, since it uses less digits than its factorization.
29874939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211929.
The product of its digits is 979776, while the sum is 51.
The square root of 29874939 is about 5465.7971971159. The cubic root of 29874939 is about 310.2908785563.
The spelling of 29874939 in words is "twenty-nine million, eight hundred seventy-four thousand, nine hundred thirty-nine".
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