Base | Representation |
---|---|
bin | 10001010010110… |
… | …10010001110101 |
3 | 101002222111010001 |
4 | 20221122101311 |
5 | 244114321034 |
6 | 22221231301 |
7 | 3411050065 |
oct | 1051322165 |
9 | 332874101 |
10 | 145073269 |
11 | 74987770 |
12 | 40702531 |
13 | 24095593 |
14 | 153a53a5 |
15 | cb09a14 |
hex | 8a5a475 |
145073269 has 8 divisors (see below), whose sum is σ = 159829920. Its totient is φ = 130578000.
The previous prime is 145073267. The next prime is 145073281. The reversal of 145073269 is 962370541.
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 145073269 - 21 = 145073267 is a prime.
It is a super-3 number, since 3×1450732693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145073267) 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 7 ways as a sum of consecutive naturals, for example, 64179 + ... + 66400.
It is an arithmetic number, because the mean of its divisors is an integer number (19978740).
Almost surely, 2145073269 is an apocalyptic number.
It is an amenable number.
145073269 is a deficient number, since it is larger than the sum of its proper divisors (14756651).
145073269 is a wasteful number, since it uses less digits than its factorization.
145073269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130691.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 145073269 is about 12044.6365241962. The cubic root of 145073269 is about 525.4472608845.
The spelling of 145073269 in words is "one hundred forty-five million, seventy-three thousand, two hundred sixty-nine".
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