Base | Representation |
---|---|
bin | 1101000101100… |
… | …1000101110110 |
3 | 10211021202010012 |
4 | 3101121011312 |
5 | 103023001440 |
6 | 5240300222 |
7 | 1234364456 |
oct | 321310566 |
9 | 124252105 |
10 | 54890870 |
11 | 28a91361 |
12 | 16471672 |
13 | b4ab608 |
14 | 740bd66 |
15 | 4c43e65 |
hex | 3459176 |
54890870 has 16 divisors (see below), whose sum is σ = 99242928. Its totient is φ = 21858720.
The previous prime is 54890837. The next prime is 54890873. The reversal of 54890870 is 7809845.
54890870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-5 number, since 5×548908705 (a number of 40 digits) contains 55555 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54890873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9821 + ... + 14360.
It is an arithmetic number, because the mean of its divisors is an integer number (6202683).
Almost surely, 254890870 is an apocalyptic number.
54890870 is a deficient number, since it is larger than the sum of its proper divisors (44352058).
54890870 is a wasteful number, since it uses less digits than its factorization.
54890870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24415.
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 54890870 is about 7408.8372906955. The cubic root of 54890870 is about 380.0435545645.
The spelling of 54890870 in words is "fifty-four million, eight hundred ninety thousand, eight hundred seventy".
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