Base | Representation |
---|---|
bin | 10001010100111… |
… | …00011011000000 |
3 | 101010111020202020 |
4 | 20222130123000 |
5 | 244202003232 |
6 | 22231121440 |
7 | 3413256000 |
oct | 1052343300 |
9 | 333436666 |
10 | 145344192 |
11 | 75052274 |
12 | 40813280 |
13 | 2415b9a6 |
14 | 15436000 |
15 | cb5ee2c |
hex | 8a9c6c0 |
145344192 has 112 divisors (see below), whose sum is σ = 448665600. Its totient is φ = 41508096.
The previous prime is 145344187. The next prime is 145344193. The reversal of 145344192 is 291443541.
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-2 number, since 2×1453441922 = 42249868296265728, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145344193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64753 + ... + 66959.
Almost surely, 2145344192 is an apocalyptic number.
145344192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145344192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224332800).
145344192 is an abundant number, since it is smaller than the sum of its proper divisors (303321408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145344192 is an equidigital number, since it uses as much as digits as its factorization.
145344192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2243 (or 2219 counting only the distinct ones).
The product of its digits is 17280, while the sum is 33.
The square root of 145344192 is about 12055.8779025005. The cubic root of 145344192 is about 525.7741467978.
The spelling of 145344192 in words is "one hundred forty-five million, three hundred forty-four thousand, one hundred ninety-two".
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