Base | Representation |
---|---|
bin | 100000011101101… |
… | …011001101100001 |
3 | 1101221212002110020 |
4 | 200131223031201 |
5 | 2103412300311 |
6 | 130013424053 |
7 | 16332310053 |
oct | 4035531541 |
9 | 1357762406 |
10 | 544650081 |
11 | 25a493738 |
12 | 13249b029 |
13 | 88ab9371 |
14 | 524998d3 |
15 | 32c37c06 |
hex | 2076b361 |
544650081 has 8 divisors (see below), whose sum is σ = 726537984. Its totient is φ = 362931120.
The previous prime is 544650049. The next prime is 544650107. The reversal of 544650081 is 180056445.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 544650081 - 25 = 544650049 is a prime.
It is a super-2 number, since 2×5446500812 = 593287421466613122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (544650031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34510 + ... + 47751.
It is an arithmetic number, because the mean of its divisors is an integer number (90817248).
Almost surely, 2544650081 is an apocalyptic number.
It is an amenable number.
544650081 is a deficient number, since it is larger than the sum of its proper divisors (181887903).
544650081 is a wasteful number, since it uses less digits than its factorization.
544650081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84471.
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 544650081 is about 23337.7394149476. The cubic root of 544650081 is about 816.6560632989.
The spelling of 544650081 in words is "five hundred forty-four million, six hundred fifty thousand, eighty-one".
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