Base | Representation |
---|---|
bin | 11100111110110… |
… | …000100101000101 |
3 | 1020212220020011100 |
4 | 130332300211011 |
5 | 1443432321312 |
6 | 120125130313 |
7 | 15022515255 |
oct | 3476604505 |
9 | 1225806140 |
10 | 486213957 |
11 | 22a500819 |
12 | 1169b9999 |
13 | 79969188 |
14 | 48807965 |
15 | 2ca435dc |
hex | 1cfb0945 |
486213957 has 24 divisors (see below), whose sum is σ = 761768280. Its totient is φ = 297630720.
The previous prime is 486213947. The next prime is 486214007. The reversal of 486213957 is 759312684.
It can be written as a sum of positive squares in 4 ways, for example, as 153735201 + 332478756 = 12399^2 + 18234^2 .
It is not a de Polignac number, because 486213957 - 210 = 486212933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (486213947) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32482 + ... + 45027.
It is an arithmetic number, because the mean of its divisors is an integer number (31740345).
Almost surely, 2486213957 is an apocalyptic number.
It is an amenable number.
486213957 is a deficient number, since it is larger than the sum of its proper divisors (275554323).
486213957 is a wasteful number, since it uses less digits than its factorization.
486213957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77573 (or 77570 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 486213957 is about 22050.2597943879. The cubic root of 486213957 is about 786.3377770490.
The spelling of 486213957 in words is "four hundred eighty-six million, two hundred thirteen thousand, nine hundred fifty-seven".
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