| Base | Representation |
|---|---|
| bin | 1001010001101100… |
| … | …0111001010111100 |
| 3 | 20102112121222100200 |
| 4 | 2110123013022330 |
| 5 | 20044433311403 |
| 6 | 1051032123500 |
| 7 | 115464541320 |
| oct | 22433071274 |
| 9 | 6375558320 |
| 10 | 2490135228 |
| 11 | 10686864a9 |
| 12 | 595b36590 |
| 13 | 308b872c9 |
| 14 | 198a03980 |
| 15 | e892cca3 |
| hex | 946c72bc |
2490135228 has 144 divisors (see below), whose sum is σ = 7503175680. Its totient is φ = 681270912.
The previous prime is 2490135223. The next prime is 2490135259. The reversal of 2490135228 is 8225310942.
It is a happy number.
2490135228 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×24901352282 = 12401546907453223968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2490135192 and 2490135201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2490135223) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 926775 + ... + 929457.
Almost surely, 22490135228 is an apocalyptic number.
2490135228 is a gapful number since it is divisible by the number (28) 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 2490135228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3751587840).
2490135228 is an abundant number, since it is smaller than the sum of its proper divisors (5013040452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2490135228 is a wasteful number, since it uses less digits than its factorization.
2490135228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2856 (or 2851 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2490135228 is about 49901.2547738030. The cubic root of 2490135228 is about 1355.4213144091.
The spelling of 2490135228 in words is "two billion, four hundred ninety million, one hundred thirty-five thousand, two hundred twenty-eight".
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