Base | Representation |
---|---|
bin | 10000101110011… |
… | …01111101011110 |
3 | 100210000012012200 |
4 | 20113031331132 |
5 | 241404213342 |
6 | 21531112330 |
7 | 3322365132 |
oct | 1027157536 |
9 | 323005180 |
10 | 140304222 |
11 | 7221a703 |
12 | 3aba26a6 |
13 | 230b5966 |
14 | 148c33c2 |
15 | c4b694c |
hex | 85cdf5e |
140304222 has 48 divisors (see below), whose sum is σ = 313709760. Its totient is φ = 45285696.
The previous prime is 140304187. The next prime is 140304223. The reversal of 140304222 is 222403041.
140304222 is a `hidden beast` number, since 140 + 304 + 222 = 666.
It is a super-2 number, since 2×1403042222 = 39370549422050568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 140304195 and 140304204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140304223) 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 23 ways as a sum of consecutive naturals, for example, 194779 + ... + 195497.
It is an arithmetic number, because the mean of its divisors is an integer number (6535620).
Almost surely, 2140304222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140304222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156854880).
140304222 is an abundant number, since it is smaller than the sum of its proper divisors (173405538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140304222 is a wasteful number, since it uses less digits than its factorization.
140304222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 140304222 is about 11845.0083157421. The cubic root of 140304222 is about 519.6252502099.
Adding to 140304222 its reverse (222403041), we get a palindrome (362707263).
The spelling of 140304222 in words is "one hundred forty million, three hundred four thousand, two hundred twenty-two".
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