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55152344 = 23132323057
BaseRepresentation
bin1101001001100…
…0111011011000
310211210000210102
43102120323120
5103104333334
65250034532
71236534002
oct322307330
9124700712
1055152344
112914a855
1216578a48
13b570630
147479372
154c9667e
hex3498ed8

55152344 has 32 divisors (see below), whose sum is σ = 116212320. Its totient is φ = 24347136.

The previous prime is 55152343. The next prime is 55152371. The reversal of 55152344 is 44325155.

55152344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9137 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (3631635).

Almost surely, 255152344 is an apocalyptic number.

It is an amenable number.

55152344 is an abundant number, since it is smaller than the sum of its proper divisors (61059976).

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

55152344 is a wasteful number, since it uses less digits than its factorization.

55152344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099 (or 23095 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 55152344 is about 7426.4624149052. The cubic root of 55152344 is about 380.6460478293.

Adding to 55152344 its reverse (44325155), we get a palindrome (99477499).

The spelling of 55152344 in words is "fifty-five million, one hundred fifty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 23057 46114 92228 184456 299741 530311 599482 1060622 1198964 2121244 2397928 4242488 6894043 13788086 27576172 55152344