Base | Representation |
---|---|
bin | 10001001010110… |
… | …01111111111110 |
3 | 101001000011011120 |
4 | 20211121333332 |
5 | 243332223200 |
6 | 22142531410 |
7 | 3366115506 |
oct | 1045317776 |
9 | 331004146 |
10 | 144023550 |
11 | 74330030 |
12 | 40296b66 |
13 | 23ab8848 |
14 | 151b0a06 |
15 | c99d9a0 |
hex | 8959ffe |
144023550 has 96 divisors (see below), whose sum is σ = 392546304. Its totient is φ = 34656000.
The previous prime is 144023533. The next prime is 144023567. The reversal of 144023550 is 55320441.
It is an interprime number because it is at equal distance from previous prime (144023533) and next prime (144023567).
It is a self number, because there is not a number n which added to its sum of digits gives 144023550.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314922 + ... + 315378.
It is an arithmetic number, because the mean of its divisors is an integer number (4089024).
Almost surely, 2144023550 is an apocalyptic number.
144023550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 144023550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196273152).
144023550 is an abundant number, since it is smaller than the sum of its proper divisors (248522754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144023550 is a wasteful number, since it uses less digits than its factorization.
144023550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 674 (or 669 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 144023550 is about 12000.9812098845. The cubic root of 144023550 is about 524.1768506453.
Adding to 144023550 its reverse (55320441), we get a palindrome (199343991).
The spelling of 144023550 in words is "one hundred forty-four million, twenty-three thousand, five hundred fifty".
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