Search a number
-
+
55244151 = 326138239
BaseRepresentation
bin1101001010111…
…1010101110111
310211221200201200
43102233111313
5103120303101
65252023543
71240365444
oct322572567
9124850650
1055244151
1129202826
1216601bb3
13b5a3361
1474a09cb
154cb3986
hex34af577

55244151 has 6 divisors (see below), whose sum is σ = 79797120. Its totient is φ = 36829428.

The previous prime is 55244149. The next prime is 55244171. The reversal of 55244151 is 15144255.

It is not a de Polignac number, because 55244151 - 21 = 55244149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244171) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3069111 + ... + 3069128.

It is an arithmetic number, because the mean of its divisors is an integer number (13299520).

Almost surely, 255244151 is an apocalyptic number.

55244151 is a deficient number, since it is larger than the sum of its proper divisors (24552969).

55244151 is a wasteful number, since it uses less digits than its factorization.

55244151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138245 (or 6138242 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 55244151 is about 7432.6409169285. The cubic root of 55244151 is about 380.8571394872.

The spelling of 55244151 in words is "fifty-five million, two hundred forty-four thousand, one hundred fifty-one".

Divisors: 1 3 9 6138239 18414717 55244151