Base | Representation |
---|---|
bin | 11010010100001… |
… | …11000011011100 |
3 | 120101101110202021 |
4 | 31022013003130 |
5 | 423003113030 |
6 | 33523305524 |
7 | 5320244035 |
oct | 1512070334 |
9 | 511343667 |
10 | 220754140 |
11 | 103678942 |
12 | 61b1b2a4 |
13 | 36972a69 |
14 | 21465a8c |
15 | 145a897a |
hex | d2870dc |
220754140 has 24 divisors (see below), whose sum is σ = 463997520. Its totient is φ = 88222848.
The previous prime is 220754081. The next prime is 220754143. The reversal of 220754140 is 41457022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220754143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21499 + ... + 30061.
It is an arithmetic number, because the mean of its divisors is an integer number (19333230).
Almost surely, 2220754140 is an apocalyptic number.
220754140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220754140 is an abundant number, since it is smaller than the sum of its proper divisors (243243380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220754140 is a wasteful number, since it uses less digits than its factorization.
220754140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9861 (or 9859 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 25.
The square root of 220754140 is about 14857.7972795432. The cubic root of 220754140 is about 604.3700749474.
The spelling of 220754140 in words is "two hundred twenty million, seven hundred fifty-four thousand, one hundred forty".
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