Base | Representation |
---|---|
bin | 10001010010001… |
… | …01011100011100 |
3 | 101002211011001102 |
4 | 20221011130130 |
5 | 244104103212 |
6 | 22215332232 |
7 | 3410243225 |
oct | 1051053434 |
9 | 332734042 |
10 | 144987932 |
11 | 74929641 |
12 | 40681078 |
13 | 2406579b |
14 | 1538224c |
15 | cade5c2 |
hex | 8a4571c |
144987932 has 12 divisors (see below), whose sum is σ = 254023056. Its totient is φ = 72409920.
The previous prime is 144987919. The next prime is 144987967. The reversal of 144987932 is 239789441.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17048 + ... + 24095.
It is an arithmetic number, because the mean of its divisors is an integer number (21168588).
Almost surely, 2144987932 is an apocalyptic number.
It is an amenable number.
144987932 is a deficient number, since it is larger than the sum of its proper divisors (109035124).
144987932 is a wasteful number, since it uses less digits than its factorization.
144987932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42028 (or 42026 counting only the distinct ones).
The product of its digits is 435456, while the sum is 47.
The square root of 144987932 is about 12041.0934719402. The cubic root of 144987932 is about 525.3442120637.
The spelling of 144987932 in words is "one hundred forty-four million, nine hundred eighty-seven thousand, nine hundred thirty-two".
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