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55071634 = 2223123479
BaseRepresentation
bin1101001000010…
…1001110010010
310211121221002011
43102011032102
5103044243014
65244213134
71236046462
oct322051622
9124557064
1055071634
11290a5152
121653a1aa
13b542987
147457ba2
154c7c7c4
hex3485392

55071634 has 8 divisors (see below), whose sum is σ = 82978560. Its totient is φ = 27412116.

The previous prime is 55071631. The next prime is 55071641. The reversal of 55071634 is 43617055.

55071634 is nontrivially palindromic in base 15.

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

It is a junction number, because it is equal to n+sod(n) for n = 55071596 and 55071605.

It is not an unprimeable number, because it can be changed into a prime (55071631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61294 + ... + 62185.

It is an arithmetic number, because the mean of its divisors is an integer number (10372320).

Almost surely, 255071634 is an apocalyptic number.

55071634 is a deficient number, since it is larger than the sum of its proper divisors (27906926).

55071634 is a wasteful number, since it uses less digits than its factorization.

55071634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123704.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55071634 is about 7421.0264788640. The cubic root of 55071634 is about 380.4602779015.

Adding to 55071634 its reverse (43617055), we get a palindrome (98688689).

The spelling of 55071634 in words is "fifty-five million, seventy-one thousand, six hundred thirty-four".

Divisors: 1 2 223 446 123479 246958 27535817 55071634