Base | Representation |
---|---|
bin | 11100000000111… |
… | …010010101111101 |
3 | 1012202101112012020 |
4 | 130000322111331 |
5 | 1430310013041 |
6 | 114345430353 |
7 | 14434641240 |
oct | 3400722575 |
9 | 1182345166 |
10 | 470001021 |
11 | 2213377a6 |
12 | 11149b3b9 |
13 | 764b0719 |
14 | 465c7257 |
15 | 2b3de866 |
hex | 1c03a57d |
470001021 has 32 divisors (see below), whose sum is σ = 760043520. Its totient is φ = 252525504.
The previous prime is 470001017. The next prime is 470001041. The reversal of 470001021 is 120100074.
It is not a de Polignac number, because 470001021 - 22 = 470001017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (470001041) 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, 20251 + ... + 36743.
It is an arithmetic number, because the mean of its divisors is an integer number (23751360).
Almost surely, 2470001021 is an apocalyptic number.
It is an amenable number.
470001021 is a deficient number, since it is larger than the sum of its proper divisors (290042499).
470001021 is a wasteful number, since it uses less digits than its factorization.
470001021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16585.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 470001021 is about 21679.5069362751. The cubic root of 470001021 is about 777.4985727306.
Adding to 470001021 its reverse (120100074), we get a palindrome (590101095).
The spelling of 470001021 in words is "four hundred seventy million, one thousand, twenty-one".
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