Base | Representation |
---|---|
bin | 10001010010000… |
… | …01110101000101 |
3 | 101002210101202000 |
4 | 20221001311011 |
5 | 244103120000 |
6 | 22215135513 |
7 | 3410152113 |
oct | 1051016505 |
9 | 332711660 |
10 | 144973125 |
11 | 74919500 |
12 | 40674599 |
13 | 2405bb1b |
14 | 1537aab3 |
15 | cada000 |
hex | 8a41d45 |
144973125 has 120 divisors (see below), whose sum is σ = 299154240. Its totient is φ = 69300000.
The previous prime is 144973121. The next prime is 144973139. The reversal of 144973125 is 521379441.
It is not a de Polignac number, because 144973125 - 22 = 144973121 is a prime.
Its product of digits (30240) is a multiple of the sum of its prime divisors (90).
It is a self number, because there is not a number n which added to its sum of digits gives 144973125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144973121) 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 119 ways as a sum of consecutive naturals, for example, 2041840 + ... + 2041910.
It is an arithmetic number, because the mean of its divisors is an integer number (2492952).
Almost surely, 2144973125 is an apocalyptic number.
144973125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144973125 is an abundant number, since it is smaller than the sum of its proper divisors (154181115).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144973125 is an equidigital number, since it uses as much as digits as its factorization.
144973125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122 (or 90 counting only the distinct ones).
The product of its digits is 30240, while the sum is 36.
The square root of 144973125 is about 12040.4786034443. The cubic root of 144973125 is about 525.3263277325.
The spelling of 144973125 in words is "one hundred forty-four million, nine hundred seventy-three thousand, one hundred twenty-five".
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