Base | Representation |
---|---|
bin | 10011101100101… |
… | …11110101010111 |
3 | 102111221111010000 |
4 | 21312113311113 |
5 | 314300421333 |
6 | 24221502343 |
7 | 4044405411 |
oct | 1166276527 |
9 | 374844100 |
10 | 165248343 |
11 | 85307587 |
12 | 474119b3 |
13 | 2830a5b0 |
14 | 17d379b1 |
15 | e792713 |
hex | 9d97d57 |
165248343 has 40 divisors (see below), whose sum is σ = 267990800. Its totient is φ = 100870272.
The previous prime is 165248323. The next prime is 165248371. The reversal of 165248343 is 343842561.
165248343 is a `hidden beast` number, since 16 + 524 + 83 + 43 = 666.
It is not a de Polignac number, because 165248343 - 28 = 165248087 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 165248298 and 165248307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (165248323) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145803 + ... + 146931.
It is an arithmetic number, because the mean of its divisors is an integer number (6699770).
Almost surely, 2165248343 is an apocalyptic number.
165248343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
165248343 is a deficient number, since it is larger than the sum of its proper divisors (102742457).
165248343 is a wasteful number, since it uses less digits than its factorization.
165248343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1293 (or 1284 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 165248343 is about 12854.8956821905. The cubic root of 165248343 is about 548.7556917095.
The spelling of 165248343 in words is "one hundred sixty-five million, two hundred forty-eight thousand, three hundred forty-three".
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