Base | Representation |
---|---|
bin | 11100001001001… |
… | …001011110100001 |
3 | 1012220110012222101 |
4 | 130021021132201 |
5 | 1431333111121 |
6 | 114504010401 |
7 | 14462203144 |
oct | 3411113641 |
9 | 1186405871 |
10 | 472160161 |
11 | 222581a10 |
12 | 112160a01 |
13 | 76a88415 |
14 | 469ca05b |
15 | 2b6b9491 |
hex | 1c2497a1 |
472160161 has 4 divisors (see below), whose sum is σ = 515083824. Its totient is φ = 429236500.
The previous prime is 472160147. The next prime is 472160197. The reversal of 472160161 is 161061274.
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 not a de Polignac number, because 472160161 - 27 = 472160033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (472160111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21461815 + ... + 21461836.
It is an arithmetic number, because the mean of its divisors is an integer number (128770956).
Almost surely, 2472160161 is an apocalyptic number.
It is an amenable number.
472160161 is a deficient number, since it is larger than the sum of its proper divisors (42923663).
472160161 is a wasteful number, since it uses less digits than its factorization.
472160161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42923662.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 472160161 is about 21729.2466735504. The cubic root of 472160161 is about 778.6873390629.
The spelling of 472160161 in words is "four hundred seventy-two million, one hundred sixty thousand, one hundred sixty-one".
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