Base | Representation |
---|---|
bin | 1100010101011… |
… | …1010110101110 |
3 | 10121100120020100 |
4 | 3011113112232 |
5 | 101221104110 |
6 | 5044531530 |
7 | 1165523511 |
oct | 305272656 |
9 | 117316210 |
10 | 51738030 |
11 | 27228603 |
12 | 153b0ba6 |
13 | a946526 |
14 | 6c2ad78 |
15 | 481ebc0 |
hex | 31575ae |
51738030 has 96 divisors (see below), whose sum is σ = 142702560. Its totient is φ = 12983040.
The previous prime is 51737999. The next prime is 51738053. The reversal of 51738030 is 3083715.
It is a junction number, because it is equal to n+sod(n) for n = 51737985 and 51738003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112000 + ... + 112460.
It is an arithmetic number, because the mean of its divisors is an integer number (1486485).
Almost surely, 251738030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51738030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71351280).
51738030 is an abundant number, since it is smaller than the sum of its proper divisors (90964530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51738030 is a wasteful number, since it uses less digits than its factorization.
51738030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546 (or 543 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 51738030 is about 7192.9152643417. The cubic root of 51738030 is about 372.6232614615.
It can be divided in two parts, 5173 and 8030, that added together give a triangular number (13203 = T162).
The spelling of 51738030 in words is "fifty-one million, seven hundred thirty-eight thousand, thirty".
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