Base | Representation |
---|---|
bin | 10001010001000… |
… | …01000011011000 |
3 | 101002112120120200 |
4 | 20220201003120 |
5 | 244034320442 |
6 | 22212222200 |
7 | 3406052523 |
oct | 1050410330 |
9 | 332476520 |
10 | 144838872 |
11 | 74837652 |
12 | 4060a960 |
13 | 24012999 |
14 | 15343bba |
15 | cab034c |
hex | 8a210d8 |
144838872 has 48 divisors (see below), whose sum is σ = 393586440. Its totient is φ = 48117888.
The previous prime is 144838871. The next prime is 144838907. The reversal of 144838872 is 278838441.
It is a super-3 number, since 3×1448388723 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144838871) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19323 + ... + 25749.
Almost surely, 2144838872 is an apocalyptic number.
144838872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144838872 is an abundant number, since it is smaller than the sum of its proper divisors (248747568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144838872 is a wasteful number, since it uses less digits than its factorization.
144838872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6752 (or 6745 counting only the distinct ones).
The product of its digits is 344064, while the sum is 45.
The square root of 144838872 is about 12034.9022430596. The cubic root of 144838872 is about 525.1641173983.
The spelling of 144838872 in words is "one hundred forty-four million, eight hundred thirty-eight thousand, eight hundred seventy-two".
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