Base | Representation |
---|---|
bin | 10001010010010… |
… | …00010011001110 |
3 | 101002211202002200 |
4 | 20221020103032 |
5 | 244104442010 |
6 | 22215502330 |
7 | 3410322306 |
oct | 1051102316 |
9 | 332752080 |
10 | 144999630 |
11 | 74937406 |
12 | 406879a6 |
13 | 2406abc9 |
14 | 15386606 |
15 | cae2cc0 |
hex | 8a484ce |
144999630 has 48 divisors (see below), whose sum is σ = 399179664. Its totient is φ = 36391680.
The previous prime is 144999629. The next prime is 144999641. The reversal of 144999630 is 36999441.
144999630 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 9 + 9 + 630 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 45856 + ... + 48915.
It is an arithmetic number, because the mean of its divisors is an integer number (8316243).
Almost surely, 2144999630 is an apocalyptic number.
144999630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144999630 is an abundant number, since it is smaller than the sum of its proper divisors (254180034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144999630 is a wasteful number, since it uses less digits than its factorization.
144999630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94801 (or 94798 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 144999630 is about 12041.5792153687. The cubic root of 144999630 is about 525.3583403920.
The spelling of 144999630 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, six hundred thirty".
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