| Base | Representation |
|---|---|
| bin | 100101101001101… |
| … | …1111110100001100 |
| 3 | 10021001022111002000 |
| 4 | 1023103133310030 |
| 5 | 10041412333002 |
| 6 | 325211032300 |
| 7 | 43210512330 |
| oct | 11323376414 |
| 9 | 3231274060 |
| 10 | 1263402252 |
| 11 | 5991808a2 |
| 12 | 2b313b690 |
| 13 | 171992bc8 |
| 14 | bdb157c0 |
| 15 | 75db161c |
| hex | 4b4dfd0c |
1263402252 has 96 divisors (see below), whose sum is σ = 3772285440. Its totient is φ = 358188480.
The previous prime is 1263402251. The next prime is 1263402299. The reversal of 1263402252 is 2522043621.
It is a happy number.
1263402252 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 402 + 252 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1263402251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92658 + ... + 105414.
It is an arithmetic number, because the mean of its divisors is an integer number (39294640).
Almost surely, 21263402252 is an apocalyptic number.
1263402252 is a gapful number since it is divisible by the number (12) 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 1263402252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886142720).
1263402252 is an abundant number, since it is smaller than the sum of its proper divisors (2508883188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1263402252 is a wasteful number, since it uses less digits than its factorization.
1263402252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12908 (or 12900 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 1263402252 is about 35544.3701871337. The cubic root of 1263402252 is about 1081.0535706432.
Adding to 1263402252 its reverse (2522043621), we get a palindrome (3785445873).
The spelling of 1263402252 in words is "one billion, two hundred sixty-three million, four hundred two thousand, two hundred fifty-two".
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