Base | Representation |
---|---|
bin | 111101100101… |
… | …011111111100 |
3 | 1010101012221000 |
4 | 331211133330 |
5 | 13113110010 |
6 | 1334010300 |
7 | 254140110 |
oct | 75453774 |
9 | 33335830 |
10 | 16144380 |
11 | 912756a |
12 | 54a6990 |
13 | 34634b5 |
14 | 2203740 |
15 | 163d7c0 |
hex | f657fc |
16144380 has 96 divisors (see below), whose sum is σ = 57415680. Its totient is φ = 3689280.
The previous prime is 16144369. The next prime is 16144399. The reversal of 16144380 is 8344161.
16144380 is a `hidden beast` number, since 1 + 614 + 43 + 8 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1645 + ... + 5915.
It is an arithmetic number, because the mean of its divisors is an integer number (598080).
Almost surely, 216144380 is an apocalyptic number.
16144380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16144380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28707840).
16144380 is an abundant number, since it is smaller than the sum of its proper divisors (41271300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16144380 is a wasteful number, since it uses less digits than its factorization.
16144380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4296 (or 4288 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 16144380 is about 4018.0069686351. The cubic root of 16144380 is about 252.7398890020.
The spelling of 16144380 in words is "sixteen million, one hundred forty-four thousand, three hundred eighty".
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