Base | Representation |
---|---|
bin | 11100000100101… |
… | …001100000111001 |
3 | 1012211020022000100 |
4 | 130010221200321 |
5 | 1431032340130 |
6 | 114422430013 |
7 | 14446161321 |
oct | 3404514071 |
9 | 1184208010 |
10 | 470980665 |
11 | 221946821 |
12 | 111892309 |
13 | 767645ac |
14 | 467a0281 |
15 | 2b534c60 |
hex | 1c129839 |
470980665 has 24 divisors (see below), whose sum is σ = 864389448. Its totient is φ = 236413440.
The previous prime is 470980649. The next prime is 470980703. The reversal of 470980665 is 566089074.
It can be written as a sum of positive squares in 4 ways, for example, as 44475561 + 426505104 = 6669^2 + 20652^2 .
It is not a de Polignac number, because 470980665 - 24 = 470980649 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 470980665.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307066 + ... + 308595.
It is an arithmetic number, because the mean of its divisors is an integer number (36016227).
Almost surely, 2470980665 is an apocalyptic number.
470980665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
470980665 is a deficient number, since it is larger than the sum of its proper divisors (393408783).
470980665 is a wasteful number, since it uses less digits than its factorization.
470980665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615689 (or 615686 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 470980665 is about 21702.0889547527. The cubic root of 470980665 is about 778.0383894504.
The spelling of 470980665 in words is "four hundred seventy million, nine hundred eighty thousand, six hundred sixty-five".
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