Base | Representation |
---|---|
bin | 1100011011011… |
… | …1010011010110 |
3 | 10122002112022220 |
4 | 3012313103112 |
5 | 101321143110 |
6 | 5101203210 |
7 | 1202051340 |
oct | 306672326 |
9 | 118075286 |
10 | 52131030 |
11 | 274768a6 |
12 | 15560506 |
13 | aa53383 |
14 | 6cd0290 |
15 | 489b370 |
hex | 31b74d6 |
52131030 has 32 divisors (see below), whose sum is σ = 142988544. Its totient is φ = 11915616.
The previous prime is 52131019. The next prime is 52131047. The reversal of 52131030 is 3013125.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
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, 123912 + ... + 124331.
It is an arithmetic number, because the mean of its divisors is an integer number (4468392).
Almost surely, 252131030 is an apocalyptic number.
52131030 is an abundant number, since it is smaller than the sum of its proper divisors (90857514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52131030 is a wasteful number, since it uses less digits than its factorization.
52131030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248260.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 52131030 is about 7220.1821306668. The cubic root of 52131030 is about 373.5643597348.
Adding to 52131030 its reverse (3013125), we get a palindrome (55144155).
The spelling of 52131030 in words is "fifty-two million, one hundred thirty-one thousand, thirty".
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