Base | Representation |
---|---|
bin | 11010001111011… |
… | …10000010011110 |
3 | 120100012122000022 |
4 | 31013232002132 |
5 | 422323034030 |
6 | 33502032142 |
7 | 5312023550 |
oct | 1507560236 |
9 | 510178008 |
10 | 220127390 |
11 | 10328aa6a |
12 | 61878652 |
13 | 367b36c2 |
14 | 213414d0 |
15 | 144d2de5 |
hex | d1ee09e |
220127390 has 64 divisors (see below), whose sum is σ = 484009344. Its totient is φ = 70361088.
The previous prime is 220127381. The next prime is 220127399. The reversal of 220127390 is 93721022.
It is an interprime number because it is at equal distance from previous prime (220127381) and next prime (220127399).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220127399) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133652 + ... + 135288.
It is an arithmetic number, because the mean of its divisors is an integer number (7562646).
Almost surely, 2220127390 is an apocalyptic number.
220127390 is an abundant number, since it is smaller than the sum of its proper divisors (263881954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220127390 is a wasteful number, since it uses less digits than its factorization.
220127390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1781.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 220127390 is about 14836.6906687442. The cubic root of 220127390 is about 603.7975707909.
The spelling of 220127390 in words is "two hundred twenty million, one hundred twenty-seven thousand, three hundred ninety".
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