Base | Representation |
---|---|
bin | 100100100001100… |
… | …0110110101111110 |
3 | 10011102002110020022 |
4 | 1021003012311332 |
5 | 10002220114410 |
6 | 321335452142 |
7 | 42241004441 |
oct | 11103066576 |
9 | 3142073208 |
10 | 1225551230 |
11 | 579878862 |
12 | 2a2527052 |
13 | 166b9c557 |
14 | b8aa1658 |
15 | 728d6455 |
hex | 490c6d7e |
1225551230 has 16 divisors (see below), whose sum is σ = 2207500560. Its totient is φ = 489885312.
The previous prime is 1225551227. The next prime is 1225551247. The reversal of 1225551230 is 321555221.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1225551230.
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, 26264 + ... + 56043.
It is an arithmetic number, because the mean of its divisors is an integer number (137968785).
Almost surely, 21225551230 is an apocalyptic number.
1225551230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1225551230 is a deficient number, since it is larger than the sum of its proper divisors (981949330).
1225551230 is a wasteful number, since it uses less digits than its factorization.
1225551230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83803.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 1225551230 is about 35007.8738286118. The cubic root of 1225551230 is about 1070.1479487971.
The spelling of 1225551230 in words is "one billion, two hundred twenty-five million, five hundred fifty-one thousand, two hundred thirty".
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