Base | Representation |
---|---|
bin | 1100001101101… |
… | …1110100011110 |
3 | 10120101212010121 |
4 | 3003123310132 |
5 | 101103411110 |
6 | 5030025154 |
7 | 1161315343 |
oct | 303336436 |
9 | 116355117 |
10 | 51232030 |
11 | 26a12423 |
12 | 151a81ba |
13 | a7ca115 |
14 | 6b387ca |
15 | 476ecda |
hex | 30dbd1e |
51232030 has 8 divisors (see below), whose sum is σ = 92217672. Its totient is φ = 20492808.
The previous prime is 51232003. The next prime is 51232039. The reversal of 51232030 is 3023215.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 51231995 and 51232013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51232039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561592 + ... + 2561611.
It is an arithmetic number, because the mean of its divisors is an integer number (11527209).
Almost surely, 251232030 is an apocalyptic number.
51232030 is a deficient number, since it is larger than the sum of its proper divisors (40985642).
51232030 is a wasteful number, since it uses less digits than its factorization.
51232030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5123210.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 51232030 is about 7157.6553423590. The cubic root of 51232030 is about 371.4045228865.
Adding to 51232030 its reverse (3023215), we get a palindrome (54255245).
The spelling of 51232030 in words is "fifty-one million, two hundred thirty-two thousand, thirty".
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