Base | Representation |
---|---|
bin | 1100011111111… |
… | …0000110010010 |
3 | 10122122021002220 |
4 | 3013332012102 |
5 | 101404433020 |
6 | 5111321510 |
7 | 1204366635 |
oct | 307760622 |
9 | 118567086 |
10 | 52421010 |
11 | 27654754 |
12 | 15680296 |
13 | ab25365 |
14 | 6d67c1c |
15 | 4907240 |
hex | 31fe192 |
52421010 has 16 divisors (see below), whose sum is σ = 125810496. Its totient is φ = 13978928.
The previous prime is 52420987. The next prime is 52421011. The reversal of 52421010 is 1012425.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (52421011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873654 + ... + 873713.
It is an arithmetic number, because the mean of its divisors is an integer number (7863156).
Almost surely, 252421010 is an apocalyptic number.
52421010 is an abundant number, since it is smaller than the sum of its proper divisors (73389486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52421010 is a wasteful number, since it uses less digits than its factorization.
52421010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1747377.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 52421010 is about 7240.2354934077. The cubic root of 52421010 is about 374.2557327093.
Adding to 52421010 its reverse (1012425), we get a palindrome (53433435).
The spelling of 52421010 in words is "fifty-two million, four hundred twenty-one thousand, ten".
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