| Base | Representation |
|---|---|
| bin | 1001011111110110… |
| … | …1111000010000000 |
| 3 | 20120200102012120000 |
| 4 | 2113331233002000 |
| 5 | 20210140334130 |
| 6 | 1100553320000 |
| 7 | 120115521042 |
| oct | 22775570200 |
| 9 | 6520365500 |
| 10 | 2549543040 |
| 11 | 1099172470 |
| 12 | 5b1a06000 |
| 13 | 318287865 |
| 14 | 1a2869a92 |
| 15 | edc65260 |
| hex | 97f6f080 |
2549543040 has 640 divisors, whose sum is σ = 10556853120. Its totient is φ = 579502080.
The previous prime is 2549543021. The next prime is 2549543081. The reversal of 2549543040 is 403459452.
It is a happy number.
2549543040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (640).
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 = 2549542986 and 2549543004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9693949 + ... + 9694211.
It is an arithmetic number, because the mean of its divisors is an integer number (16495083).
Almost surely, 22549543040 is an apocalyptic number.
2549543040 is a gapful number since it is divisible by the number (20) 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 2549543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5278426560).
2549543040 is an abundant number, since it is smaller than the sum of its proper divisors (8007310080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2549543040 is a wasteful number, since it uses less digits than its factorization.
2549543040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 301 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The square root of 2549543040 is about 50492.9999108787. Note that the first 4 decimals coincide. The cubic root of 2549543040 is about 1366.1155956588.
The spelling of 2549543040 in words is "two billion, five hundred forty-nine million, five hundred forty-three thousand, forty".
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