Base | Representation |
---|---|
bin | 1111000001010… |
… | …1000110101000 |
3 | 11101112210010101 |
4 | 3300111012220 |
5 | 112112013000 |
6 | 10130155144 |
7 | 1363333246 |
oct | 360250650 |
9 | 141483111 |
10 | 63001000 |
11 | 32620647 |
12 | 19122ab4 |
13 | 1008abca |
14 | 851d796 |
15 | 57e6e6a |
hex | 3c151a8 |
63001000 has 48 divisors (see below), whose sum is σ = 148012020. Its totient is φ = 25100000.
The previous prime is 63000989. The next prime is 63001007. The reversal of 63001000 is 10036.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 20412324 = 6526^2 + 4518^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (63001007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250875 + ... + 251125.
Almost surely, 263001000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74006010).
63001000 is an abundant number, since it is smaller than the sum of its proper divisors (85011020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63001000 is an equidigital number, since it uses as much as digits as its factorization.
63001000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 63001000 is about 7937.3169270226. The cubic root of 63001000 is about 397.9078260998.
Multiplying 63001000 by its sum of digits (10), we get a square (630010000 = 251002).
63001000 divided by its sum of digits (10) gives a square (6300100 = 25102).
Adding to 63001000 its reverse (10036), we get a palindrome (63011036).
The spelling of 63001000 in words is "sixty-three million, one thousand".
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