| Base | Representation |
|---|---|
| bin | 101101111101011… |
| … | …0001110001100000 |
| 3 | 10222110210120100200 |
| 4 | 1123322301301200 |
| 5 | 11124241304010 |
| 6 | 413005145200 |
| 7 | 53133634026 |
| oct | 13372616140 |
| 9 | 3873716320 |
| 10 | 1542134880 |
| 11 | 721549840 |
| 12 | 37055b200 |
| 13 | 1b7655760 |
| 14 | 108b50716 |
| 15 | 905bdcc0 |
| hex | 5beb1c60 |
1542134880 has 288 divisors, whose sum is σ = 6183384480. Its totient is φ = 345047040.
The previous prime is 1542134851. The next prime is 1542134911. The reversal of 1542134880 is 884312451.
1542134880 is a `hidden beast` number, since 1 + 542 + 1 + 34 + 8 + 80 = 666.
1542134880 is digitally balanced in base 4, 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 (288).
It is a super-2 number, since 2×15421348802 = 4756359976225228800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202176 + ... + 209664.
It is an arithmetic number, because the mean of its divisors is an integer number (21470085).
Almost surely, 21542134880 is an apocalyptic number.
1542134880 is a gapful number since it is divisible by the number (10) 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 1542134880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091692240).
1542134880 is an abundant number, since it is smaller than the sum of its proper divisors (4641249600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1542134880 is a wasteful number, since it uses less digits than its factorization.
1542134880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7534 (or 7523 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 1542134880 is about 39270.0252100759. The cubic root of 1542134880 is about 1155.3337316373. Note that the first 3 decimals are identical.
The spelling of 1542134880 in words is "one billion, five hundred forty-two million, one hundred thirty-four thousand, eight hundred eighty".
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