| Base | Representation |
|---|---|
| bin | 1001011110000111… |
| … | …0010001001000000 |
| 3 | 20120011121221101200 |
| 4 | 2113201302021000 |
| 5 | 20201301400434 |
| 6 | 1100132301200 |
| 7 | 116666322465 |
| oct | 22741621100 |
| 9 | 6504557350 |
| 10 | 2542215744 |
| 11 | 1095018352 |
| 12 | 5ab471800 |
| 13 | 3168c0693 |
| 14 | 1a18bd66c |
| 15 | ed2b9199 |
| hex | 97872240 |
2542215744 has 84 divisors (see below), whose sum is σ = 7304347596. Its totient is φ = 845365248.
The previous prime is 2542215743. The next prime is 2542215763. The reversal of 2542215744 is 4475122452.
2542215744 is a `hidden beast` number, since 2 + 542 + 21 + 57 + 44 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 993006144 + 1549209600 = 31512^2 + 39360^2 .
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 = 2542215699 and 2542215708.
It is not an unprimeable number, because it can be changed into a prime (2542215743) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244312 + ... + 254504.
It is an arithmetic number, because the mean of its divisors is an integer number (86956519).
Almost surely, 22542215744 is an apocalyptic number.
2542215744 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 2542215744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3652173798).
2542215744 is an abundant number, since it is smaller than the sum of its proper divisors (4762131852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2542215744 is a wasteful number, since it uses less digits than its factorization.
2542215744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10644 (or 10631 counting only the distinct ones).
The product of its digits is 89600, while the sum is 36.
The square root of 2542215744 is about 50420.3901611243. The cubic root of 2542215744 is about 1364.8056173712.
The spelling of 2542215744 in words is "two billion, five hundred forty-two million, two hundred fifteen thousand, seven hundred forty-four".
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