Base | Representation |
---|---|
bin | 11100000010100… |
… | …001000000000101 |
3 | 1012210011212222212 |
4 | 130002201000011 |
5 | 1430411442014 |
6 | 114402433205 |
7 | 14441342165 |
oct | 3402410005 |
9 | 1183155885 |
10 | 470421509 |
11 | 2215a4708 |
12 | 111662805 |
13 | 765c9c2c |
14 | 466965a5 |
15 | 2b47423e |
hex | 1c0a1005 |
470421509 has 2 divisors, whose sum is σ = 470421510. Its totient is φ = 470421508.
The previous prime is 470421491. The next prime is 470421517. The reversal of 470421509 is 905124074.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 300849025 + 169572484 = 17345^2 + 13022^2 .
It is a cyclic number.
It is not a de Polignac number, because 470421509 - 28 = 470421253 is a prime.
It is a super-2 number, since 2×4704215092 = 442592792259674162, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (470421529) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235210754 + 235210755.
It is an arithmetic number, because the mean of its divisors is an integer number (235210755).
Almost surely, 2470421509 is an apocalyptic number.
It is an amenable number.
470421509 is a deficient number, since it is larger than the sum of its proper divisors (1).
470421509 is an equidigital number, since it uses as much as digits as its factorization.
470421509 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 470421509 is about 21689.2025902291. The cubic root of 470421509 is about 777.7303675266.
The spelling of 470421509 in words is "four hundred seventy million, four hundred twenty-one thousand, five hundred nine".
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