Base | Representation |
---|---|
bin | 11100000010011… |
… | …001100000010101 |
3 | 1012210010022212200 |
4 | 130002121200111 |
5 | 1430410001210 |
6 | 114402035113 |
7 | 14441153523 |
oct | 3402314025 |
9 | 1183108780 |
10 | 470390805 |
11 | 221583635 |
12 | 111648a99 |
13 | 765b8c71 |
14 | 46689313 |
15 | 2b46a0c0 |
hex | 1c099815 |
470390805 has 48 divisors (see below), whose sum is σ = 855339264. Its totient is φ = 238861440.
The previous prime is 470390761. The next prime is 470390813. The reversal of 470390805 is 508093074.
It is not a de Polignac number, because 470390805 - 29 = 470390293 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 470390805.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75250 + ... + 81260.
It is an arithmetic number, because the mean of its divisors is an integer number (17819568).
Almost surely, 2470390805 is an apocalyptic number.
470390805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
470390805 is a deficient number, since it is larger than the sum of its proper divisors (384948459).
470390805 is a wasteful number, since it uses less digits than its factorization.
470390805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6106 (or 6103 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 470390805 is about 21688.4947610478. The cubic root of 470390805 is about 777.7134465651.
The spelling of 470390805 in words is "four hundred seventy million, three hundred ninety thousand, eight hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.102 sec. • engine limits •