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55570382 = 2717233489
BaseRepresentation
bin1101001111111…
…0111111001110
310212120021020022
43103332333032
5103211223012
65303022142
71243224530
oct323767716
9125507208
1055570382
112940593a
121673a952
13b6889aa
147547850
154d2a472
hex34fefce

55570382 has 16 divisors (see below), whose sum is σ = 100867680. Its totient is φ = 22414848.

The previous prime is 55570313. The next prime is 55570387. The reversal of 55570382 is 28307555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55570387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116507 + ... + 116982.

It is an arithmetic number, because the mean of its divisors is an integer number (6304230).

Almost surely, 255570382 is an apocalyptic number.

55570382 is a deficient number, since it is larger than the sum of its proper divisors (45297298).

55570382 is a wasteful number, since it uses less digits than its factorization.

55570382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233515.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 55570382 is about 7454.5544467795. The cubic root of 55570382 is about 381.6053552495.

The spelling of 55570382 in words is "fifty-five million, five hundred seventy thousand, three hundred eighty-two".

Divisors: 1 2 7 14 17 34 119 238 233489 466978 1634423 3268846 3969313 7938626 27785191 55570382