Base | Representation |
---|---|
bin | 1100001011111… |
… | …1001011111110 |
3 | 10120011220020220 |
4 | 3002333023332 |
5 | 101041133000 |
6 | 5023322210 |
7 | 1160316411 |
oct | 302771376 |
9 | 116156226 |
10 | 51114750 |
11 | 269422a5 |
12 | 15150366 |
13 | a78891b |
14 | 6b07b78 |
15 | 474a1a0 |
hex | 30bf2fe |
51114750 has 128 divisors (see below), whose sum is σ = 142871040. Its totient is φ = 12096000.
The previous prime is 51114727. The next prime is 51114751. The reversal of 51114750 is 5741115.
It is a super-2 number, since 2×511147502 = 5225435335125000, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 51114750.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51114751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242145 + ... + 242355.
It is an arithmetic number, because the mean of its divisors is an integer number (1116180).
Almost surely, 251114750 is an apocalyptic number.
51114750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 51114750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71435520).
51114750 is an abundant number, since it is smaller than the sum of its proper divisors (91756290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51114750 is a wasteful number, since it uses less digits than its factorization.
51114750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267 (or 257 counting only the distinct ones).
The product of its (nonzero) digits is 700, while the sum is 24.
The square root of 51114750 is about 7149.4580214167. The cubic root of 51114750 is about 371.1209008205.
Adding to 51114750 its reverse (5741115), we get a palindrome (56855865).
The spelling of 51114750 in words is "fifty-one million, one hundred fourteen thousand, seven hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •