Search a number
-
+
55071348 = 22319298329
BaseRepresentation
bin1101001000010…
…1001001110100
310211121220200120
43102011021310
5103044240343
65244211540
71236045603
oct322051164
9124556616
1055071348
11290a4a12
1216539bb0
13b5427c7
147457a3a
154c7c683
hex3485274

55071348 has 48 divisors (see below), whose sum is σ = 139944000. Its totient is φ = 16789248.

The previous prime is 55071337. The next prime is 55071371. The reversal of 55071348 is 84317055.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2448 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (2915500).

Almost surely, 255071348 is an apocalyptic number.

55071348 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55071348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69972000).

55071348 is an abundant number, since it is smaller than the sum of its proper divisors (84872652).

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

55071348 is a wasteful number, since it uses less digits than its factorization.

55071348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384 (or 8382 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 55071348 is about 7421.0072092675. The cubic root of 55071348 is about 380.4596192937.

The spelling of 55071348 in words is "fifty-five million, seventy-one thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 19 29 38 57 58 76 87 114 116 174 228 348 551 1102 1653 2204 3306 6612 8329 16658 24987 33316 49974 99948 158251 241541 316502 474753 483082 633004 724623 949506 966164 1449246 1899012 2898492 4589279 9178558 13767837 18357116 27535674 55071348