Base | Representation |
---|---|
bin | 1100011011011… |
… | …1001101000110 |
3 | 10122002111210002 |
4 | 3012313031012 |
5 | 101321140010 |
6 | 5101201302 |
7 | 1202050226 |
oct | 306671506 |
9 | 118074702 |
10 | 52130630 |
11 | 27476572 |
12 | 15560232 |
13 | aa53136 |
14 | 6cd0086 |
15 | 489b1a5 |
hex | 31b7346 |
52130630 has 32 divisors (see below), whose sum is σ = 96228000. Its totient is φ = 20326912.
The previous prime is 52130621. The next prime is 52130633. The reversal of 52130630 is 3603125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52130633) 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, 87614 + ... + 88206.
It is an arithmetic number, because the mean of its divisors is an integer number (3007125).
Almost surely, 252130630 is an apocalyptic number.
52130630 is a deficient number, since it is larger than the sum of its proper divisors (44097370).
52130630 is a wasteful number, since it uses less digits than its factorization.
52130630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 808.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 52130630 is about 7220.1544304814. The cubic root of 52130630 is about 373.5634042825.
Adding to 52130630 its reverse (3603125), we get a palindrome (55733755).
The spelling of 52130630 in words is "fifty-two million, one hundred thirty thousand, six hundred thirty".
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