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55150244 = 22177111423
BaseRepresentation
bin1101001001100…
…0011010100100
310211202220220122
43102120122210
5103104301434
65250021112
71236524612
oct322303244
9124686818
1055150244
1129149216
1216577798
13b56c6a6
1474786b2
154c95c2e
hex34986a4

55150244 has 24 divisors (see below), whose sum is σ = 103638528. Its totient is φ = 25585280.

The previous prime is 55150243. The next prime is 55150273. The reversal of 55150244 is 44205155.

It is not an unprimeable number, because it can be changed into a prime (55150243) 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 7 ways as a sum of consecutive naturals, for example, 884 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (4318272).

Almost surely, 255150244 is an apocalyptic number.

It is an amenable number.

55150244 is a deficient number, since it is larger than the sum of its proper divisors (48488284).

55150244 is a wasteful number, since it uses less digits than its factorization.

55150244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 55150244 is about 7426.3210272651. The cubic root of 55150244 is about 380.6412165639.

Adding to 55150244 its reverse (44205155), we get a palindrome (99355399).

The spelling of 55150244 in words is "fifty-five million, one hundred fifty thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 71 142 284 1207 2414 4828 11423 22846 45692 194191 388382 776764 811033 1622066 3244132 13787561 27575122 55150244