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542048281 = 17592771951
BaseRepresentation
bin100000010011110…
…000000000011001
31101202221220110021
4200103300000121
52102231021111
6125441550441
716301222455
oct4023600031
91352856407
10542048281
11258a76995
12131645421
13883b8038
1451dbd665
15328c1d71
hex204f0019

542048281 has 16 divisors (see below), whose sum is σ = 586068480. Its totient is φ = 499449600.

The previous prime is 542048279. The next prime is 542048327. The reversal of 542048281 is 182840245.

It is a cyclic number.

It is not a de Polignac number, because 542048281 - 21 = 542048279 is a prime.

It is a super-2 number, since 2×5420482812 = 587632677870109922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542048201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276856 + ... + 278806.

It is an arithmetic number, because the mean of its divisors is an integer number (36629280).

Almost surely, 2542048281 is an apocalyptic number.

It is an amenable number.

542048281 is a deficient number, since it is larger than the sum of its proper divisors (44020199).

542048281 is a wasteful number, since it uses less digits than its factorization.

542048281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 542048281 is about 23281.9303538173. The cubic root of 542048281 is about 815.3535951716.

The spelling of 542048281 in words is "five hundred forty-two million, forty-eight thousand, two hundred eighty-one".

Divisors: 1 17 59 277 1003 1951 4709 16343 33167 115109 277831 540427 1956853 9187259 31885193 542048281