Base | Representation |
---|---|
bin | 1011001101001… |
… | …1110100111110 |
3 | 10021110002201120 |
4 | 2303103310332 |
5 | 44013124430 |
6 | 4355251410 |
7 | 1110351534 |
oct | 263236476 |
9 | 107402646 |
10 | 47004990 |
11 | 245955aa |
12 | 138a9b66 |
13 | 997a106 |
14 | 6358154 |
15 | 41d7610 |
hex | 2cd3d3e |
47004990 has 32 divisors (see below), whose sum is σ = 116453376. Its totient is φ = 12130080.
The previous prime is 47004973. The next prime is 47005009. The reversal of 47004990 is 9940074.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24342 + ... + 26201.
It is an arithmetic number, because the mean of its divisors is an integer number (3639168).
Almost surely, 247004990 is an apocalyptic number.
47004990 is an abundant number, since it is smaller than the sum of its proper divisors (69448386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47004990 is a wasteful number, since it uses less digits than its factorization.
47004990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50584.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 47004990 is about 6856.0185238956. The cubic root of 47004990 is about 360.8953792230.
The spelling of 47004990 in words is "forty-seven million, four thousand, nine hundred ninety".
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