Base | Representation |
---|---|
bin | 100100011011111… |
… | …1101111001110110 |
3 | 10011012121002110202 |
4 | 1020313331321312 |
5 | 10000443143110 |
6 | 321153120502 |
7 | 42204122645 |
oct | 11067757166 |
9 | 3135532422 |
10 | 1222631030 |
11 | 578163875 |
12 | 2a1559132 |
13 | 1663b931a |
14 | b854135c |
15 | 7250b0a5 |
hex | 48dfde76 |
1222631030 has 16 divisors (see below), whose sum is σ = 2242260144. Its totient is φ = 479824800.
The previous prime is 1222631027. The next prime is 1222631089. The reversal of 1222631030 is 301362221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1222630993 and 1222631011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152896 + ... + 1153955.
It is an arithmetic number, because the mean of its divisors is an integer number (140141259).
Almost surely, 21222631030 is an apocalyptic number.
1222631030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222631030 is a deficient number, since it is larger than the sum of its proper divisors (1019629114).
1222631030 is a wasteful number, since it uses less digits than its factorization.
1222631030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2306911.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1222631030 is about 34966.1411940180. The cubic root of 1222631030 is about 1069.2973026179.
Adding to 1222631030 its reverse (301362221), we get a palindrome (1523993251).
The spelling of 1222631030 in words is "one billion, two hundred twenty-two million, six hundred thirty-one thousand, thirty".
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