Base | Representation |
---|---|
bin | 1111001000101… |
… | …0010010101010 |
3 | 11102110011120020 |
4 | 3302022102222 |
5 | 112222343002 |
6 | 10144341310 |
7 | 1400402544 |
oct | 362122252 |
9 | 142404506 |
10 | 63481002 |
11 | 32919242 |
12 | 19314836 |
13 | 101c8530 |
14 | 8606694 |
15 | 588e2bc |
hex | 3c8a4aa |
63481002 has 32 divisors (see below), whose sum is σ = 137594688. Its totient is φ = 19408896.
The previous prime is 63481001. The next prime is 63481013. The reversal of 63481002 is 20018436.
It is a happy number.
It is a super-2 number, since 2×634810022 = 8059675229848008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (63481001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10218 + ... + 15210.
It is an arithmetic number, because the mean of its divisors is an integer number (4299834).
Almost surely, 263481002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63481002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68797344).
63481002 is an abundant number, since it is smaller than the sum of its proper divisors (74113686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63481002 is a wasteful number, since it uses less digits than its factorization.
63481002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5174.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 63481002 is about 7967.4965955437. The cubic root of 63481002 is about 398.9158181962.
Adding to 63481002 its reverse (20018436), we get a palindrome (83499438).
The spelling of 63481002 in words is "sixty-three million, four hundred eighty-one thousand, two".
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