Base | Representation |
---|---|
bin | 10001001101100… |
… | …01000001000000 |
3 | 101001200021002020 |
4 | 20212301001000 |
5 | 243430124333 |
6 | 22154321440 |
7 | 3402131565 |
oct | 1046610100 |
9 | 331607066 |
10 | 144379968 |
11 | 74553897 |
12 | 40429280 |
13 | 23bb1b45 |
14 | 1526486c |
15 | ca1e3b3 |
hex | 89b1040 |
144379968 has 56 divisors (see below), whose sum is σ = 384230880. Its totient is φ = 47846400.
The previous prime is 144379933. The next prime is 144379981. The reversal of 144379968 is 869973441.
It is a self number, because there is not a number n which added to its sum of digits gives 144379968.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32268 + ... + 36468.
Almost surely, 2144379968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144379968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192115440).
144379968 is an abundant number, since it is smaller than the sum of its proper divisors (239850912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144379968 is a wasteful number, since it uses less digits than its factorization.
144379968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4395 (or 4385 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 51.
The square root of 144379968 is about 12015.8215699136. The cubic root of 144379968 is about 524.6088914752.
The spelling of 144379968 in words is "one hundred forty-four million, three hundred seventy-nine thousand, nine hundred sixty-eight".
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