Base | Representation |
---|---|
bin | 111101001110… |
… | …001001010000 |
3 | 1010012100201001 |
4 | 331032021100 |
5 | 13102024340 |
6 | 1331551344 |
7 | 253261162 |
oct | 75161120 |
9 | 33170631 |
10 | 16048720 |
11 | 9071706 |
12 | 545b554 |
13 | 342baac |
14 | 21ba932 |
15 | 162029a |
hex | f4e250 |
16048720 has 20 divisors (see below), whose sum is σ = 37313460. Its totient is φ = 6419456.
The previous prime is 16048699. The next prime is 16048723. The reversal of 16048720 is 2784061.
It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 14077504 = 1404^2 + 3752^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×160487202 = 515122827276800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16048723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100225 + ... + 100384.
It is an arithmetic number, because the mean of its divisors is an integer number (1865673).
Almost surely, 216048720 is an apocalyptic number.
16048720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16048720 is an abundant number, since it is smaller than the sum of its proper divisors (21264740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16048720 is a wasteful number, since it uses less digits than its factorization.
16048720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200622 (or 200616 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 16048720 is about 4006.0853710324. The cubic root of 16048720 is about 252.2397147899.
The spelling of 16048720 in words is "sixteen million, forty-eight thousand, seven hundred twenty".
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