Base | Representation |
---|---|
bin | 100100100101111… |
… | …0110000001011110 |
3 | 10011120101211001221 |
4 | 1021023312001132 |
5 | 10003311413010 |
6 | 321500523554 |
7 | 42266324131 |
oct | 11113660136 |
9 | 3146354057 |
10 | 1227841630 |
11 | 5800a2654 |
12 | 2a32505ba |
13 | 1674c1c12 |
14 | b90da218 |
15 | 72bd9dda |
hex | 492f605e |
1227841630 has 16 divisors (see below), whose sum is σ = 2257139520. Its totient is φ = 480686752.
The previous prime is 1227841577. The next prime is 1227841631. The reversal of 1227841630 is 361487221.
It is a super-2 number, since 2×12278416302 = 3015190136722113800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1227841631) 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, 1305745 + ... + 1306684.
It is an arithmetic number, because the mean of its divisors is an integer number (141071220).
Almost surely, 21227841630 is an apocalyptic number.
1227841630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1227841630 is a deficient number, since it is larger than the sum of its proper divisors (1029297890).
1227841630 is a wasteful number, since it uses less digits than its factorization.
1227841630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2612483.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 1227841630 is about 35040.5711996822. The cubic root of 1227841630 is about 1070.8141909131.
The spelling of 1227841630 in words is "one billion, two hundred twenty-seven million, eight hundred forty-one thousand, six hundred thirty".
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