Base | Representation |
---|---|
bin | 100000010101010… |
… | …011001010011110 |
3 | 1101210201112120211 |
4 | 200111103022132 |
5 | 2102332020210 |
6 | 125454403034 |
7 | 16304533540 |
oct | 4025231236 |
9 | 1353645524 |
10 | 542454430 |
11 | 259224051 |
12 | 13180047a |
13 | 884cab6b |
14 | 52087690 |
15 | 3295238a |
hex | 2055329e |
542454430 has 64 divisors (see below), whose sum is σ = 1156534272. Its totient is φ = 179262720.
The previous prime is 542454421. The next prime is 542454431. The reversal of 542454430 is 34454245.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a junction number, because it is equal to n+sod(n) for n = 542454392 and 542454401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542454431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991417 + ... + 991963.
It is an arithmetic number, because the mean of its divisors is an integer number (18070848).
Almost surely, 2542454430 is an apocalyptic number.
542454430 is an abundant number, since it is smaller than the sum of its proper divisors (614079842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542454430 is a wasteful number, since it uses less digits than its factorization.
542454430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1049.
The product of its (nonzero) digits is 38400, while the sum is 31.
The square root of 542454430 is about 23290.6511287254. The cubic root of 542454430 is about 815.5571885804.
The spelling of 542454430 in words is "five hundred forty-two million, four hundred fifty-four thousand, four hundred thirty".
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