Base | Representation |
---|---|
bin | 10001001111100… |
… | …10100110110110 |
3 | 101002011220121200 |
4 | 20213302212312 |
5 | 244012224010 |
6 | 22204153330 |
7 | 3404331060 |
oct | 1047624666 |
9 | 332156550 |
10 | 144648630 |
11 | 74717725 |
12 | 40538846 |
13 | 23c77209 |
14 | 152d4730 |
15 | ca73cc0 |
hex | 89f29b6 |
144648630 has 48 divisors (see below), whose sum is σ = 429814944. Its totient is φ = 33062400.
The previous prime is 144648619. The next prime is 144648643. The reversal of 144648630 is 36846441.
144648630 is a `hidden beast` number, since 1 + 4 + 4 + 648 + 6 + 3 + 0 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114171 + ... + 115430.
It is an arithmetic number, because the mean of its divisors is an integer number (8954478).
Almost surely, 2144648630 is an apocalyptic number.
144648630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144648630 is an abundant number, since it is smaller than the sum of its proper divisors (285166314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144648630 is a wasteful number, since it uses less digits than its factorization.
144648630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229621 (or 229618 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 144648630 is about 12026.9958842597. The cubic root of 144648630 is about 524.9340869631.
The spelling of 144648630 in words is "one hundred forty-four million, six hundred forty-eight thousand, six hundred thirty".
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