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531042002 = 24347131381
BaseRepresentation
bin11111101001110…
…000111011010010
31101000020201200022
4133221300323102
52041421321002
6124410023442
716105532261
oct3751607322
91330221608
10531042002
11252839797
12129a17b82
138603344a
14507565d8
153194aba2
hex1fa70ed2

531042002 has 16 divisors (see below), whose sum is σ = 832436352. Its totient is φ = 253826160.

The previous prime is 531041993. The next prime is 531042013. The reversal of 531042002 is 200240135.

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 7 ways as a sum of consecutive naturals, for example, 61649 + ... + 69732.

It is an arithmetic number, because the mean of its divisors is an integer number (52027272).

Almost surely, 2531042002 is an apocalyptic number.

531042002 is a deficient number, since it is larger than the sum of its proper divisors (301394350).

531042002 is a wasteful number, since it uses less digits than its factorization.

531042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131473.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 531042002 is about 23044.3485913575. The cubic root of 531042002 is about 809.7972372628.

Adding to 531042002 its reverse (200240135), we get a palindrome (731282137).

The spelling of 531042002 in words is "five hundred thirty-one million, forty-two thousand, two".

Divisors: 1 2 43 47 86 94 2021 4042 131381 262762 5649383 6174907 11298766 12349814 265521001 531042002