Base | Representation |
---|---|
bin | 10011011101011… |
… | …01000010000111 |
3 | 102101011100110201 |
4 | 21232231002013 |
5 | 313242104043 |
6 | 24110431331 |
7 | 4021333414 |
oct | 1156550207 |
9 | 371140421 |
10 | 163238023 |
11 | 84164163 |
12 | 46802547 |
13 | 27a85560 |
14 | 1797310b |
15 | e4e6c4d |
hex | 9bad087 |
163238023 has 8 divisors (see below), whose sum is σ = 177439248. Its totient is φ = 149271744.
The previous prime is 163237999. The next prime is 163238027. The reversal of 163238023 is 320832361.
163238023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 163238023 - 221 = 161140871 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 163237982 and 163238000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163238027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57286 + ... + 60067.
It is an arithmetic number, because the mean of its divisors is an integer number (22179906).
Almost surely, 2163238023 is an apocalyptic number.
163238023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
163238023 is a deficient number, since it is larger than the sum of its proper divisors (14201225).
163238023 is a wasteful number, since it uses less digits than its factorization.
163238023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117473.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 163238023 is about 12776.4636343552. The cubic root of 163238023 is about 546.5213202146.
The spelling of 163238023 in words is "one hundred sixty-three million, two hundred thirty-eight thousand, twenty-three".
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