Base | Representation |
---|---|
bin | 10001001111101… |
… | …11101100111100 |
3 | 101002012222020122 |
4 | 20213313230330 |
5 | 244013411000 |
6 | 22204434112 |
7 | 3404445653 |
oct | 1047675474 |
9 | 332188218 |
10 | 144669500 |
11 | 74731378 |
12 | 40548938 |
13 | 23c83871 |
14 | 152dc19a |
15 | ca7a085 |
hex | 89f7b3c |
144669500 has 48 divisors (see below), whose sum is σ = 319606560. Its totient is φ = 57200000.
The previous prime is 144669463. The next prime is 144669521. The reversal of 144669500 is 5966441.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42875 + ... + 46125.
It is an arithmetic number, because the mean of its divisors is an integer number (6658470).
Almost surely, 2144669500 is an apocalyptic number.
144669500 is a gapful number since it is divisible by the number (10) 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 144669500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159803280).
144669500 is an abundant number, since it is smaller than the sum of its proper divisors (174937060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144669500 is a wasteful number, since it uses less digits than its factorization.
144669500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3359 (or 3347 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 144669500 is about 12027.8634844265. The cubic root of 144669500 is about 524.9593316948.
The spelling of 144669500 in words is "one hundred forty-four million, six hundred sixty-nine thousand, five hundred".
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