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8755434420 = 2235145923907
BaseRepresentation
bin10000010011101110…
…10101001110110100
3211121011220011002220
420021313111032310
5120412342400140
64004443202340
7426652651605
oct101167251664
924534804086
108755434420
11379323a517
1218442163b0
13a96bc1335
145d0b51dac
153639bcbd0
hex209dd53b4

8755434420 has 24 divisors (see below), whose sum is σ = 24515216544. Its totient is φ = 2334782496.

The previous prime is 8755434419. The next prime is 8755434451. The reversal of 8755434420 is 244345578.

8755434420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 72961894 + ... + 72962013.

It is an arithmetic number, because the mean of its divisors is an integer number (1021467356).

Almost surely, 28755434420 is an apocalyptic number.

It is an amenable number.

8755434420 is an abundant number, since it is smaller than the sum of its proper divisors (15759782124).

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

8755434420 is a wasteful number, since it uses less digits than its factorization.

8755434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145923919 (or 145923917 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The square root of 8755434420 is about 93570.4783572255. The cubic root of 8755434420 is about 2061.0691672405.

Adding to 8755434420 its reverse (244345578), we get a palindrome (8999779998).

The spelling of 8755434420 in words is "eight billion, seven hundred fifty-five million, four hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 145923907 291847814 437771721 583695628 729619535 875543442 1459239070 1751086884 2188858605 2918478140 4377717210 8755434420