Base | Representation |
---|---|
bin | 11101001011110… |
… | …101010001011111 |
3 | 1021010100100020220 |
4 | 131023311101133 |
5 | 2000322003210 |
6 | 120330412423 |
7 | 15063610641 |
oct | 3513652137 |
9 | 1233310226 |
10 | 489641055 |
11 | 231431632 |
12 | 117b91113 |
13 | 7a599047 |
14 | 4905a891 |
15 | 2cebdc70 |
hex | 1d2f545f |
489641055 has 16 divisors (see below), whose sum is σ = 829509984. Its totient is φ = 245780480.
The previous prime is 489641041. The next prime is 489641071. The reversal of 489641055 is 550146984.
It is not a de Polignac number, because 489641055 - 213 = 489632863 is a prime.
It is a super-4 number, since 4×4896410554 (a number of 36 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 489640998 and 489641016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959826 + ... + 960335.
It is an arithmetic number, because the mean of its divisors is an integer number (51844374).
Almost surely, 2489641055 is an apocalyptic number.
489641055 is a deficient number, since it is larger than the sum of its proper divisors (339868929).
489641055 is a wasteful number, since it uses less digits than its factorization.
489641055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1920186.
The product of its (nonzero) digits is 172800, while the sum is 42.
The square root of 489641055 is about 22127.8343947165. The cubic root of 489641055 is about 788.1809640257.
The spelling of 489641055 in words is "four hundred eighty-nine million, six hundred forty-one thousand, fifty-five".
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