| Base | Representation |
|---|---|
| bin | 1001010001101000… |
| … | …0100100000000000 |
| 3 | 20102112010002202110 |
| 4 | 2110122010200000 |
| 5 | 20044401042034 |
| 6 | 1051022215320 |
| 7 | 115462323210 |
| oct | 22432044000 |
| 9 | 6375102673 |
| 10 | 2489862144 |
| 11 | 106850a310 |
| 12 | 595a24540 |
| 13 | 308abcc13 |
| 14 | 198972240 |
| 15 | e88c6de9 |
| hex | 94684800 |
2489862144 has 384 divisors, whose sum is σ = 8742988800. Its totient is φ = 610467840.
The previous prime is 2489862113. The next prime is 2489862149. The reversal of 2489862144 is 4412689842.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×24898621442 = 12398826992248553472, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 2489862093 and 2489862102.
It is not an unprimeable number, because it can be changed into a prime (2489862149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8988534 + ... + 8988810.
It is an arithmetic number, because the mean of its divisors is an integer number (22768200).
Almost surely, 22489862144 is an apocalyptic number.
2489862144 is a gapful number since it is divisible by the number (24) 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 2489862144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4371494400).
2489862144 is an abundant number, since it is smaller than the sum of its proper divisors (6253126656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2489862144 is a wasteful number, since it uses less digits than its factorization.
2489862144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339 (or 319 counting only the distinct ones).
The product of its digits is 884736, while the sum is 48.
The square root of 2489862144 is about 49898.5184549602. The cubic root of 2489862144 is about 1355.3717645692.
The spelling of 2489862144 in words is "two billion, four hundred eighty-nine million, eight hundred sixty-two thousand, one hundred forty-four".
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