Base | Representation |
---|---|
bin | 1011110111100… |
… | …1010100100111 |
3 | 10110200002022222 |
4 | 2331321110213 |
5 | 100220430012 |
6 | 4534542555 |
7 | 1143060134 |
oct | 275712447 |
9 | 113602288 |
10 | 49780007 |
11 | 26110502 |
12 | 14807a5b |
13 | a40c234 |
14 | 687b58b |
15 | 4584972 |
hex | 2f79527 |
49780007 has 2 divisors, whose sum is σ = 49780008. Its totient is φ = 49780006.
The previous prime is 49780001. The next prime is 49780021. The reversal of 49780007 is 70008794.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49780007 - 210 = 49778983 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49780001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890003 + 24890004.
It is an arithmetic number, because the mean of its divisors is an integer number (24890004).
Almost surely, 249780007 is an apocalyptic number.
49780007 is a deficient number, since it is larger than the sum of its proper divisors (1).
49780007 is an equidigital number, since it uses as much as digits as its factorization.
49780007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 49780007 is about 7055.4948090123. The cubic root of 49780007 is about 367.8620480680.
The spelling of 49780007 in words is "forty-nine million, seven hundred eighty thousand, seven".
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