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575750812 = 227132368771
BaseRepresentation
bin100010010100010…
…100001010011100
31111010101011122011
4202110110022130
52134343011222
6133044201004
720160541540
oct4224241234
91433334564
10575750812
11275aa611a
12140999164
1392388370
1456673a20
153582cc77
hex2251429c

575750812 has 48 divisors (see below), whose sum is σ = 1294013952. Its totient is φ = 217863360.

The previous prime is 575750807. The next prime is 575750839. The reversal of 575750812 is 218057575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26014 + ... + 42757.

It is an arithmetic number, because the mean of its divisors is an integer number (26958624).

Almost surely, 2575750812 is an apocalyptic number.

575750812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

575750812 is an abundant number, since it is smaller than the sum of its proper divisors (718263140).

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

575750812 is a wasteful number, since it uses less digits than its factorization.

575750812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68818 (or 68816 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 575750812 is about 23994.8080217367. The cubic root of 575750812 is about 831.9135276716.

The spelling of 575750812 in words is "five hundred seventy-five million, seven hundred fifty thousand, eight hundred twelve".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 91 92 161 182 299 322 364 598 644 1196 2093 4186 8372 68771 137542 275084 481397 894023 962794 1581733 1788046 1925588 3163466 3576092 6258161 6326932 11072131 12516322 20562529 22144262 25032644 41125058 44288524 82250116 143937703 287875406 575750812