| Base | Representation |
|---|---|
| bin | 100100100001010… |
| … | …1001010111100000 |
| 3 | 10011101212022121200 |
| 4 | 1021002221113200 |
| 5 | 10002202233441 |
| 6 | 321333121200 |
| 7 | 42236662443 |
| oct | 11102512740 |
| 9 | 3141768550 |
| 10 | 1225430496 |
| 11 | 5797a6084 |
| 12 | 2a2489200 |
| 13 | 166b59604 |
| 14 | b8a6d65a |
| 15 | 728b07b6 |
| hex | 490a95e0 |
1225430496 has 144 divisors (see below), whose sum is σ = 3722060160. Its totient is φ = 381588480.
The previous prime is 1225430489. The next prime is 1225430497. The reversal of 1225430496 is 6940345221.
It is a happy number.
1225430496 is a `hidden beast` number, since 1 + 22 + 543 + 0 + 4 + 96 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 1225430496.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225430497) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256546 + ... + 261278.
It is an arithmetic number, because the mean of its divisors is an integer number (25847640).
Almost surely, 21225430496 is an apocalyptic number.
1225430496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1225430496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861030080).
1225430496 is an abundant number, since it is smaller than the sum of its proper divisors (2496629664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225430496 is a wasteful number, since it uses less digits than its factorization.
1225430496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4809 (or 4798 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 1225430496 is about 35006.1494026407. The cubic root of 1225430496 is about 1070.1128061113.
The spelling of 1225430496 in words is "one billion, two hundred twenty-five million, four hundred thirty thousand, four hundred ninety-six".
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