Base | Representation |
---|---|
bin | 1100001110101… |
… | …1111111111110 |
3 | 10120112020001010 |
4 | 3003223333332 |
5 | 101113021202 |
6 | 5031300050 |
7 | 1162012506 |
oct | 303537776 |
9 | 116466033 |
10 | 51298302 |
11 | 26a581a0 |
12 | 1521a626 |
13 | a821333 |
14 | 6b54a06 |
15 | 478476c |
hex | 30ebffe |
51298302 has 16 divisors (see below), whose sum is σ = 111923712. Its totient is φ = 15544920.
The previous prime is 51298301. The next prime is 51298307. The reversal of 51298302 is 20389215.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 51298302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51298301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388558 + ... + 388689.
It is an arithmetic number, because the mean of its divisors is an integer number (6995232).
Almost surely, 251298302 is an apocalyptic number.
51298302 is an abundant number, since it is smaller than the sum of its proper divisors (60625410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51298302 is a wasteful number, since it uses less digits than its factorization.
51298302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777263.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 51298302 is about 7162.2832951511. The cubic root of 51298302 is about 371.5645992749.
It can be divided in two parts, 5129 and 8302, that added together give a palindrome (13431).
The spelling of 51298302 in words is "fifty-one million, two hundred ninety-eight thousand, three hundred two".
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