Base | Representation |
---|---|
bin | 100000010110001… |
… | …001111011111100 |
3 | 1101211010221100002 |
4 | 200112021323330 |
5 | 2102411210110 |
6 | 125503253432 |
7 | 16306456610 |
oct | 4026117374 |
9 | 1354127302 |
10 | 542678780 |
11 | 259367666 |
12 | 1318aa278 |
13 | 88579007 |
14 | 52105340 |
15 | 32998aa5 |
hex | 20589efc |
542678780 has 24 divisors (see below), whose sum is σ = 1302429408. Its totient is φ = 186061248.
The previous prime is 542678737. The next prime is 542678789. The reversal of 542678780 is 87876245.
542678780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542678789) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937999 + ... + 1938278.
It is an arithmetic number, because the mean of its divisors is an integer number (54267892).
Almost surely, 2542678780 is an apocalyptic number.
It is an amenable number.
542678780 is an abundant number, since it is smaller than the sum of its proper divisors (759750628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542678780 is a wasteful number, since it uses less digits than its factorization.
542678780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3876293 (or 3876291 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 47.
The square root of 542678780 is about 23295.4669410167. The cubic root of 542678780 is about 815.6696066482.
The spelling of 542678780 in words is "five hundred forty-two million, six hundred seventy-eight thousand, seven hundred eighty".
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