Base | Representation |
---|---|
bin | 10001010000010… |
… | …10001001100000 |
3 | 101002100210220000 |
4 | 20220022021200 |
5 | 244023320211 |
6 | 22210220000 |
7 | 3405212151 |
oct | 1050121140 |
9 | 332323800 |
10 | 144745056 |
11 | 74783115 |
12 | 40584600 |
13 | 23cac081 |
14 | 1531b928 |
15 | ca92656 |
hex | 8a0a260 |
144745056 has 60 divisors (see below), whose sum is σ = 425698812. Its totient is φ = 48247488.
The previous prime is 144745039. The next prime is 144745099. The reversal of 144745056 is 650547441.
144745056 is a `hidden beast` number, since 144 + 7 + 4 + 505 + 6 = 666.
It is a super-2 number, since 2×1447450562 = 41902262472886272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 144745056.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25330 + ... + 30513.
Almost surely, 2144745056 is an apocalyptic number.
144745056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
144745056 is an abundant number, since it is smaller than the sum of its proper divisors (280953756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144745056 is an equidigital number, since it uses as much as digits as its factorization.
144745056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55865 (or 55848 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 144745056 is about 12031.0039481333. The cubic root of 144745056 is about 525.0507053067.
The spelling of 144745056 in words is "one hundred forty-four million, seven hundred forty-five thousand, fifty-six".
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