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53881383 = 317960461
BaseRepresentation
bin1100110110001…
…0101000100111
310202101110100210
43031202220213
5102243201013
65202510503
71222661403
oct315425047
9122343323
1053881383
1128461976
1216065433
13b216c9a
147228103
154ae4cc3
hex3362a27

53881383 has 4 divisors (see below), whose sum is σ = 71841848. Its totient is φ = 35920920.

The previous prime is 53881367. The next prime is 53881393. The reversal of 53881383 is 38318835.

53881383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53881383 - 24 = 53881367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53881343) 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 3 ways as a sum of consecutive naturals, for example, 8980228 + ... + 8980233.

It is an arithmetic number, because the mean of its divisors is an integer number (17960462).

Almost surely, 253881383 is an apocalyptic number.

53881383 is a deficient number, since it is larger than the sum of its proper divisors (17960465).

53881383 is a wasteful number, since it uses less digits than its factorization.

53881383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17960464.

The product of its digits is 69120, while the sum is 39.

The square root of 53881383 is about 7340.3939267590. The cubic root of 53881383 is about 377.6993564216.

The spelling of 53881383 in words is "fifty-three million, eight hundred eighty-one thousand, three hundred eighty-three".

Divisors: 1 3 17960461 53881383