Base | Representation |
---|---|
bin | 10001111101011010010101 |
3 | 22212012010222 |
4 | 101331122111 |
5 | 2201123424 |
6 | 244524125 |
7 | 55005626 |
oct | 21753225 |
9 | 8765128 |
10 | 4707989 |
11 | 2726200 |
12 | 16b0645 |
13 | c8abc0 |
14 | 8a7a4d |
15 | 62ee5e |
hex | 47d695 |
4707989 has 24 divisors (see below), whose sum is σ = 5787096. Its totient is φ = 3801600.
The previous prime is 4707979. The next prime is 4708013. The reversal of 4707989 is 9897074.
It can be written as a sum of positive squares in 4 ways, for example, as 12100 + 4695889 = 110^2 + 2167^2 .
It is not a de Polignac number, because 4707989 - 24 = 4707973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4707949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64457 + ... + 64529.
It is an arithmetic number, because the mean of its divisors is an integer number (241129).
Almost surely, 24707989 is an apocalyptic number.
It is an amenable number.
4707989 is a deficient number, since it is larger than the sum of its proper divisors (1079107).
4707989 is a wasteful number, since it uses less digits than its factorization.
4707989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149 (or 138 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 4707989 is about 2169.7900820125. The cubic root of 4707989 is about 167.6017233149.
The spelling of 4707989 in words is "four million, seven hundred seven thousand, nine hundred eighty-nine".
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