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55628682 = 239271447
BaseRepresentation
bin1101010000110…
…1001110001010
310212200020012120
43110031032022
5103220104212
65304152110
71243556514
oct324151612
9125606176
1055628682
112944571a
1216768636
13b6a93a5
147560bb4
154d3c88c
hex350d38a

55628682 has 8 divisors (see below), whose sum is σ = 111257376. Its totient is φ = 18542892.

The previous prime is 55628633. The next prime is 55628717. The reversal of 55628682 is 28682655.

It is a sphenic number, since it is the product of 3 distinct primes.

55628682 is an admirable number.

It is a super-2 number, since 2×556286822 = 6189100522114248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635718 + ... + 4635729.

It is an arithmetic number, because the mean of its divisors is an integer number (13907172).

Almost surely, 255628682 is an apocalyptic number.

55628682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55628682 is a wasteful number, since it uses less digits than its factorization.

55628682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271452.

The product of its digits is 230400, while the sum is 42.

The square root of 55628682 is about 7458.4637828443. The cubic root of 55628682 is about 381.7387585470.

The spelling of 55628682 in words is "fifty-five million, six hundred twenty-eight thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9271447 18542894 27814341 55628682