Base | Representation |
---|---|
bin | 11100001000101… |
… | …111000101110001 |
3 | 1012220020201201102 |
4 | 130020233011301 |
5 | 1431321131311 |
6 | 114501414145 |
7 | 14461243064 |
oct | 3410570561 |
9 | 1186221642 |
10 | 472052081 |
11 | 222508796 |
12 | 11210a355 |
13 | 76a4b177 |
14 | 4699c8db |
15 | 2b69743b |
hex | 1c22f171 |
472052081 has 4 divisors (see below), whose sum is σ = 475655664. Its totient is φ = 468448500.
The previous prime is 472052071. The next prime is 472052117. The reversal of 472052081 is 180250274.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-472052081 is a prime.
It is a super-2 number, since 2×4720520812 = 445666334352861122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (472052011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801595 + ... + 1801856.
It is an arithmetic number, because the mean of its divisors is an integer number (118913916).
Almost surely, 2472052081 is an apocalyptic number.
It is an amenable number.
472052081 is a deficient number, since it is larger than the sum of its proper divisors (3603583).
472052081 is a wasteful number, since it uses less digits than its factorization.
472052081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3603582.
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 472052081 is about 21726.7595605051. The cubic root of 472052081 is about 778.6279192890.
The spelling of 472052081 in words is "four hundred seventy-two million, fifty-two thousand, eighty-one".
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