Base | Representation |
---|---|
bin | 10000111001001… |
… | …11101001010000 |
3 | 100212200010111020 |
4 | 20130213221100 |
5 | 242240021034 |
6 | 22021315440 |
7 | 3340413156 |
oct | 1034475120 |
9 | 325603436 |
10 | 141720144 |
11 | 72aa7495 |
12 | 3b565b80 |
13 | 23490297 |
14 | 14b713d6 |
15 | c696249 |
hex | 8727a50 |
141720144 has 40 divisors (see below), whose sum is σ = 368553792. Its totient is φ = 46924800.
The previous prime is 141720121. The next prime is 141720151. The reversal of 141720144 is 441027141.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
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, 2529 + ... + 17024.
Almost surely, 2141720144 is an apocalyptic number.
It is an amenable number.
141720144 is an abundant number, since it is smaller than the sum of its proper divisors (226833648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141720144 is a wasteful number, since it uses less digits than its factorization.
141720144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19715 (or 19709 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 141720144 is about 11904.6269996166. The cubic root of 141720144 is about 521.3673873719.
Adding to 141720144 its reverse (441027141), we get a palindrome (582747285).
The spelling of 141720144 in words is "one hundred forty-one million, seven hundred twenty thousand, one hundred forty-four".
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