Base | Representation |
---|---|
bin | 11101000010010… |
… | …011111100100100 |
3 | 1020221122112122202 |
4 | 131002103330210 |
5 | 1444202122002 |
6 | 120201114032 |
7 | 15033444356 |
oct | 3502237444 |
9 | 1227575582 |
10 | 487145252 |
11 | 22aa87490 |
12 | 117188918 |
13 | 79c04039 |
14 | 489ab0d6 |
15 | 2cb79502 |
hex | 1d093f24 |
487145252 has 48 divisors (see below), whose sum is σ = 946877568. Its totient is φ = 217451520.
The previous prime is 487145249. The next prime is 487145261. The reversal of 487145252 is 252541784.
It is a super-2 number, since 2×4871452522 = 474620993092287008, which contains 22 as substring.
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, 669713 + ... + 670439.
It is an arithmetic number, because the mean of its divisors is an integer number (19726616).
Almost surely, 2487145252 is an apocalyptic number.
It is an amenable number.
487145252 is a deficient number, since it is larger than the sum of its proper divisors (459732316).
487145252 is a wasteful number, since it uses less digits than its factorization.
487145252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996 (or 994 counting only the distinct ones).
The product of its digits is 89600, while the sum is 38.
The square root of 487145252 is about 22071.3672435579. The cubic root of 487145252 is about 786.8395077302.
The spelling of 487145252 in words is "four hundred eighty-seven million, one hundred forty-five thousand, two hundred fifty-two".
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