Base | Representation |
---|---|
bin | 11100000001011… |
… | …010001101001010 |
3 | 1012202122011012220 |
4 | 130001122031022 |
5 | 1430323202110 |
6 | 114352314510 |
7 | 14436023601 |
oct | 3401321512 |
9 | 1182564186 |
10 | 470131530 |
11 | 221416860 |
12 | 111542a36 |
13 | 76527c4b |
14 | 4661ca38 |
15 | 2b418370 |
hex | 1c05a34a |
470131530 has 64 divisors (see below), whose sum is σ = 1237248000. Its totient is φ = 113382720.
The previous prime is 470131489. The next prime is 470131537. The reversal of 470131530 is 35131074.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 470131530.
It is not an unprimeable number, because it can be changed into a prime (470131537) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62091 + ... + 69249.
It is an arithmetic number, because the mean of its divisors is an integer number (19332000).
Almost surely, 2470131530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 470131530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618624000).
470131530 is an abundant number, since it is smaller than the sum of its proper divisors (767116470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
470131530 is a wasteful number, since it uses less digits than its factorization.
470131530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7379.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 470131530 is about 21682.5166897203. The cubic root of 470131530 is about 777.5705308514.
The spelling of 470131530 in words is "four hundred seventy million, one hundred thirty-one thousand, five hundred thirty".
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