Base | Representation |
---|---|
bin | 10011011110101… |
… | …11111101010101 |
3 | 102101111021122122 |
4 | 21233113331111 |
5 | 313313220340 |
6 | 24114305325 |
7 | 4022665130 |
oct | 1157277525 |
9 | 371437578 |
10 | 163413845 |
11 | 84274271 |
12 | 46888245 |
13 | 27b175aa |
14 | 179bb217 |
15 | e52ddb5 |
hex | 9bd7f55 |
163413845 has 16 divisors (see below), whose sum is σ = 224444928. Its totient is φ = 111888000.
The previous prime is 163413839. The next prime is 163413847. The reversal of 163413845 is 548314361.
It is not a de Polignac number, because 163413845 - 24 = 163413829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163413847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23177 + ... + 29393.
It is an arithmetic number, because the mean of its divisors is an integer number (14027808).
Almost surely, 2163413845 is an apocalyptic number.
It is an amenable number.
163413845 is a deficient number, since it is larger than the sum of its proper divisors (61031083).
163413845 is an equidigital number, since it uses as much as digits as its factorization.
163413845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6980.
The product of its digits is 34560, while the sum is 35.
The square root of 163413845 is about 12783.3424815265. The cubic root of 163413845 is about 546.7174673112.
The spelling of 163413845 in words is "one hundred sixty-three million, four hundred thirteen thousand, eight hundred forty-five".
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