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531375068 = 22726970549
BaseRepresentation
bin11111101011000…
…010001111011100
31101000212122120002
4133223002033130
52042013000233
6124421113432
716111420310
oct3753021734
91330778502
10531375068
11252a46a54
12129b58878
138611bc23
1450801b40
15319b46e8
hex1fac23dc

531375068 has 24 divisors (see below), whose sum is σ = 1066716000. Its totient is φ = 226882368.

The previous prime is 531375041. The next prime is 531375073. The reversal of 531375068 is 860573135.

It is a congruent number.

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, 27743 + ... + 42806.

It is an arithmetic number, because the mean of its divisors is an integer number (44446500).

Almost surely, 2531375068 is an apocalyptic number.

It is an amenable number.

531375068 is an abundant number, since it is smaller than the sum of its proper divisors (535340932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531375068 is a wasteful number, since it uses less digits than its factorization.

531375068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70829 (or 70827 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 531375068 is about 23051.5740894196. The cubic root of 531375068 is about 809.9665016884.

The spelling of 531375068 in words is "five hundred thirty-one million, three hundred seventy-five thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 269 538 1076 1883 3766 7532 70549 141098 282196 493843 987686 1975372 18977681 37955362 75910724 132843767 265687534 531375068