Base | Representation |
---|---|
bin | 100000010011100… |
… | …111111001000000 |
3 | 1101202220012212010 |
4 | 200103213321000 |
5 | 2102223440130 |
6 | 125441132520 |
7 | 16301023530 |
oct | 4023477100 |
9 | 1352805763 |
10 | 542015040 |
11 | 258a53a16 |
12 | 13162a140 |
13 | 883a5b78 |
14 | 51db14c0 |
15 | 328b70b0 |
hex | 204e7e40 |
542015040 has 112 divisors (see below), whose sum is σ = 1966764672. Its totient is φ = 123887616.
The previous prime is 542014997. The next prime is 542015057. The reversal of 542015040 is 40510245.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 542014998 and 542015016.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33609 + ... + 47048.
Almost surely, 2542015040 is an apocalyptic number.
It is an amenable number.
542015040 is an abundant number, since it is smaller than the sum of its proper divisors (1424749632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542015040 is a wasteful number, since it uses less digits than its factorization.
542015040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80684 (or 80674 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 542015040 is about 23281.2164630631. The cubic root of 542015040 is about 815.3369277000.
Adding to 542015040 its reverse (40510245), we get a palindrome (582525285).
The spelling of 542015040 in words is "five hundred forty-two million, fifteen thousand, forty".
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