Base | Representation |
---|---|
bin | 11010001111010… |
… | …00000101110111 |
3 | 120100011101121010 |
4 | 31013220011313 |
5 | 422321244111 |
6 | 33501323303 |
7 | 5311562541 |
oct | 1507500567 |
9 | 510141533 |
10 | 220103031 |
11 | 103273735 |
12 | 61866533 |
13 | 367a55a5 |
14 | 21336691 |
15 | 144caaa6 |
hex | d1e8177 |
220103031 has 8 divisors (see below), whose sum is σ = 306230400. Its totient is φ = 140355512.
The previous prime is 220103017. The next prime is 220103033. The reversal of 220103031 is 130301022.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220103031 - 25 = 220102999 is a prime.
It is a super-2 number, since 2×2201030312 = 96890688510773922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220102998 and 220103016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220103033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594881 + ... + 1595018.
It is an arithmetic number, because the mean of its divisors is an integer number (38278800).
Almost surely, 2220103031 is an apocalyptic number.
220103031 is a deficient number, since it is larger than the sum of its proper divisors (86127369).
220103031 is a wasteful number, since it uses less digits than its factorization.
220103031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3189925.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 220103031 is about 14835.8697419464. The cubic root of 220103031 is about 603.7752981611.
Adding to 220103031 its reverse (130301022), we get a palindrome (350404053).
The spelling of 220103031 in words is "two hundred twenty million, one hundred three thousand, thirty-one".
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