Base | Representation |
---|---|
bin | 10001010011101… |
… | …01010100011100 |
3 | 101010012010001020 |
4 | 20221311110130 |
5 | 244131342103 |
6 | 22223444140 |
7 | 3412021023 |
oct | 1051652434 |
9 | 333163036 |
10 | 145184028 |
11 | 74a52a00 |
12 | 40756650 |
13 | 24103b12 |
14 | 153d38ba |
15 | cb2c753 |
hex | 8a7551c |
145184028 has 36 divisors (see below), whose sum is σ = 372362760. Its totient is φ = 43994720.
The previous prime is 145184003. The next prime is 145184033. The reversal of 145184028 is 820481541.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a self number, because there is not a number n which added to its sum of digits gives 145184028.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 48543 + ... + 51446.
It is an arithmetic number, because the mean of its divisors is an integer number (10343410).
Almost surely, 2145184028 is an apocalyptic number.
It is an amenable number.
145184028 is an abundant number, since it is smaller than the sum of its proper divisors (227178732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145184028 is a wasteful number, since it uses less digits than its factorization.
145184028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100018 (or 100005 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 33.
The square root of 145184028 is about 12049.2335025926. The cubic root of 145184028 is about 525.5809478347.
The spelling of 145184028 in words is "one hundred forty-five million, one hundred eighty-four thousand, twenty-eight".
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