Base | Representation |
---|---|
bin | 10011011100001… |
… | …11110010011101 |
3 | 102100212121012120 |
4 | 21232013302131 |
5 | 313222213334 |
6 | 24103253153 |
7 | 4020126561 |
oct | 1156076235 |
9 | 370777176 |
10 | 163085469 |
11 | 8406a588 |
12 | 4674a1b9 |
13 | 27a30ca1 |
14 | 179336a1 |
15 | e4b6949 |
hex | 9b87c9d |
163085469 has 12 divisors (see below), whose sum is σ = 219950016. Its totient is φ = 107486368.
The previous prime is 163085459. The next prime is 163085563. The reversal of 163085469 is 964580361.
It is not a de Polignac number, because 163085469 - 24 = 163085453 is a prime.
It is a super-2 number, since 2×1630854692 = 53193740397899922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 163085469.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163085449) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20332 + ... + 27194.
It is an arithmetic number, because the mean of its divisors is an integer number (18329168).
Almost surely, 2163085469 is an apocalyptic number.
It is an amenable number.
163085469 is a deficient number, since it is larger than the sum of its proper divisors (56864547).
163085469 is an frugal number, since it uses more digits than its factorization.
163085469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7044 (or 6955 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 163085469 is about 12770.4921205097. The cubic root of 163085469 is about 546.3510167566.
The spelling of 163085469 in words is "one hundred sixty-three million, eighty-five thousand, four hundred sixty-nine".
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