Base | Representation |
---|---|
bin | 11010100110100… |
… | …11010001100010 |
3 | 120112220212202110 |
4 | 31103103101202 |
5 | 424112212430 |
6 | 34051100150 |
7 | 5346600264 |
oct | 1523232142 |
9 | 515825673 |
10 | 223163490 |
11 | 104a74040 |
12 | 628a1656 |
13 | 37307604 |
14 | 218d1b34 |
15 | 148d27b0 |
hex | d4d3462 |
223163490 has 32 divisors (see below), whose sum is σ = 584283456. Its totient is φ = 54100160.
The previous prime is 223163489. The next prime is 223163491. The reversal of 223163490 is 94361322.
It is an interprime number because it is at equal distance from previous prime (223163489) and next prime (223163491).
It is a super-3 number, since 3×2231634903 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (223163491) 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 15 ways as a sum of consecutive naturals, for example, 337797 + ... + 338456.
It is an arithmetic number, because the mean of its divisors is an integer number (18258858).
Almost surely, 2223163490 is an apocalyptic number.
223163490 is an abundant number, since it is smaller than the sum of its proper divisors (361119966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223163490 is a wasteful number, since it uses less digits than its factorization.
223163490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 676274.
The product of its (nonzero) digits is 7776, while the sum is 30.
The square root of 223163490 is about 14938.6575702102. The cubic root of 223163490 is about 606.5608581857.
The spelling of 223163490 in words is "two hundred twenty-three million, one hundred sixty-three thousand, four hundred ninety".
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