Base | Representation |
---|---|
bin | 10011101000110101010101 |
3 | 100200112201021 |
4 | 103220311111 |
5 | 2304213424 |
6 | 302201141 |
7 | 61520500 |
oct | 23506525 |
9 | 10615637 |
10 | 5147989 |
11 | 29a6840 |
12 | 18831b1 |
13 | 10b3262 |
14 | 980137 |
15 | 6ba4e4 |
hex | 4e8d55 |
5147989 has 12 divisors (see below), whose sum is σ = 6533568. Its totient is φ = 4011000.
The previous prime is 5147981. The next prime is 5148007. The reversal of 5147989 is 9897415.
It is not a de Polignac number, because 5147989 - 23 = 5147981 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 (5147981) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4237 + ... + 5314.
It is an arithmetic number, because the mean of its divisors is an integer number (544464).
Almost surely, 25147989 is an apocalyptic number.
It is an amenable number.
5147989 is a deficient number, since it is larger than the sum of its proper divisors (1385579).
5147989 is a wasteful number, since it uses less digits than its factorization.
5147989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9576 (or 9569 counting only the distinct ones).
The product of its digits is 90720, while the sum is 43.
The square root of 5147989 is about 2268.9180240811. The cubic root of 5147989 is about 172.6682696061.
The spelling of 5147989 in words is "five million, one hundred forty-seven thousand, nine hundred eighty-nine".
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