Base | Representation |
---|---|
bin | 1011011011000… |
… | …1111110111011 |
3 | 10100011022221101 |
4 | 2312301332323 |
5 | 44231234224 |
6 | 4430552231 |
7 | 1121161462 |
oct | 266617673 |
9 | 110138841 |
10 | 47914939 |
11 | 25057226 |
12 | 14068677 |
13 | 9c08347 |
14 | 65139d9 |
15 | 4317044 |
hex | 2db1fbb |
47914939 has 2 divisors, whose sum is σ = 47914940. Its totient is φ = 47914938.
The previous prime is 47914927. The next prime is 47915009. The reversal of 47914939 is 93941974.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 47914939 - 215 = 47882171 is a prime.
It is not a weakly prime, because it can be changed into another prime (47914639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23957469 + 23957470.
It is an arithmetic number, because the mean of its divisors is an integer number (23957470).
Almost surely, 247914939 is an apocalyptic number.
47914939 is a deficient number, since it is larger than the sum of its proper divisors (1).
47914939 is an equidigital number, since it uses as much as digits as its factorization.
47914939 is an evil number, because the sum of its binary digits is even.
The product of its digits is 244944, while the sum is 46.
The square root of 47914939 is about 6922.0617593315. The cubic root of 47914939 is about 363.2093165009.
It can be divided in two parts, 4791 and 4939, that added together give a triangular number (9730 = T139).
The spelling of 47914939 in words is "forty-seven million, nine hundred fourteen thousand, nine hundred thirty-nine".
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