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532042642 = 21722931741
BaseRepresentation
bin11111101101100…
…101001110010010
31101002010120022001
4133231211032102
52042200331032
6124443304214
716120200505
oct3755451622
91332116261
10532042642
1125336256a
1212a21b06a
13862c3a41
145093713c
1531a973e7
hex1fb65392

532042642 has 24 divisors (see below), whose sum is σ = 877031460. Its totient is φ = 241731840.

The previous prime is 532042639. The next prime is 532042681. The reversal of 532042642 is 246240235.

It can be written as a sum of positive squares in 6 ways, for example, as 462637081 + 69405561 = 21509^2 + 8331^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 532042642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892 + ... + 32632.

Almost surely, 2532042642 is an apocalyptic number.

532042642 is a deficient number, since it is larger than the sum of its proper divisors (344988818).

532042642 is a wasteful number, since it uses less digits than its factorization.

532042642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31806 (or 31789 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 532042642 is about 23066.0495534021. The cubic root of 532042642 is about 810.3055505278.

Adding to 532042642 its reverse (246240235), we get a palindrome (778282877).

The spelling of 532042642 in words is "five hundred thirty-two million, forty-two thousand, six hundred forty-two".

Divisors: 1 2 17 29 34 58 289 493 578 986 8381 16762 31741 63482 539597 920489 1079194 1840978 9173149 15648313 18346298 31296626 266021321 532042642