Base | Representation |
---|---|
bin | 11100000010110… |
… | …100111001001101 |
3 | 1012210100000202122 |
4 | 130002310321031 |
5 | 1430422043424 |
6 | 114404302325 |
7 | 14442131555 |
oct | 3402647115 |
9 | 1183300678 |
10 | 470502989 |
11 | 22164a950 |
12 | 1116a19a5 |
13 | 76628048 |
14 | 466b8165 |
15 | 2b48d45e |
hex | 1c0b4e4d |
470502989 has 16 divisors (see below), whose sum is σ = 545339520. Its totient is φ = 401808960.
The previous prime is 470502983. The next prime is 470502997. The reversal of 470502989 is 989205074.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 470502989 - 216 = 470437453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (470502983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8129 + ... + 31734.
It is an arithmetic number, because the mean of its divisors is an integer number (34083720).
Almost surely, 2470502989 is an apocalyptic number.
It is an amenable number.
470502989 is a deficient number, since it is larger than the sum of its proper divisors (74836531).
470502989 is a wasteful number, since it uses less digits than its factorization.
470502989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39940.
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 470502989 is about 21691.0808628800. The cubic root of 470502989 is about 777.7752675512.
The spelling of 470502989 in words is "four hundred seventy million, five hundred two thousand, nine hundred eighty-nine".
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