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755313820 = 225372710133
BaseRepresentation
bin101101000001010…
…010110010011100
31221122020220202221
4231001102302130
53021330020240
6202540555124
724501030052
oct5501226234
91848226687
10755313820
1135839a4a8
12190b52aa4
13c0638371
14724561d2
154649ba4a
hex2d052c9c

755313820 has 24 divisors (see below), whose sum is σ = 1586741184. Its totient is φ = 302014656.

The previous prime is 755313763. The next prime is 755313857. The reversal of 755313820 is 28313557.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69474 + ... + 79606.

It is an arithmetic number, because the mean of its divisors is an integer number (66114216).

Almost surely, 2755313820 is an apocalyptic number.

It is an amenable number.

755313820 is an abundant number, since it is smaller than the sum of its proper divisors (831427364).

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

755313820 is a wasteful number, since it uses less digits than its factorization.

755313820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869 (or 13867 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 755313820 is about 27482.9732743748. The cubic root of 755313820 is about 910.7009935015.

The spelling of 755313820 in words is "seven hundred fifty-five million, three hundred thirteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 3727 7454 10133 14908 18635 20266 37270 40532 50665 74540 101330 202660 37765691 75531382 151062764 188828455 377656910 755313820