Base | Representation |
---|---|
bin | 10001010010010… |
… | …00011001100000 |
3 | 101002211202122120 |
4 | 20221020121200 |
5 | 244110000112 |
6 | 22215504240 |
7 | 3410323422 |
oct | 1051103140 |
9 | 332752576 |
10 | 145000032 |
11 | 74937741 |
12 | 40688080 |
13 | 2406b148 |
14 | 15386812 |
15 | cae2e8c |
hex | 8a48660 |
145000032 has 24 divisors (see below), whose sum is σ = 380625336. Its totient is φ = 48333312.
The previous prime is 144999991. The next prime is 145000033. The reversal of 145000032 is 230000541.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 144999975 and 145000020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145000033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755113 + ... + 755304.
It is an arithmetic number, because the mean of its divisors is an integer number (15859389).
Almost surely, 2145000032 is an apocalyptic number.
145000032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145000032 is an abundant number, since it is smaller than the sum of its proper divisors (235625304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145000032 is a wasteful number, since it uses less digits than its factorization.
145000032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1510430 (or 1510422 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 145000032 is about 12041.5959075199. The cubic root of 145000032 is about 525.3588258964.
Adding to 145000032 its reverse (230000541), we get a palindrome (375000573).
The spelling of 145000032 in words is "one hundred forty-five million, thirty-two", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.115 sec. • engine limits •