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53373871 = 397134443
BaseRepresentation
bin1100101110011…
…0101110101111
310201102200012001
43023212232233
5102130430441
65143553131
71215445645
oct313465657
9121380161
1053373871
1128145641
1215a5b7a7
13b099c95
147135195
154a44731
hex32e6baf

53373871 has 4 divisors (see below), whose sum is σ = 53508712. Its totient is φ = 53239032.

The previous prime is 53373851. The next prime is 53373883. The reversal of 53373871 is 17837335.

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

It is a cyclic number.

It is not a de Polignac number, because 53373871 - 213 = 53365679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53373871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53373821) 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 3 ways as a sum of consecutive naturals, for example, 66825 + ... + 67618.

It is an arithmetic number, because the mean of its divisors is an integer number (13377178).

Almost surely, 253373871 is an apocalyptic number.

53373871 is a deficient number, since it is larger than the sum of its proper divisors (134841).

53373871 is a wasteful number, since it uses less digits than its factorization.

53373871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134840.

The product of its digits is 52920, while the sum is 37.

The square root of 53373871 is about 7305.7423305233. The cubic root of 53373871 is about 376.5097559122.

The spelling of 53373871 in words is "fifty-three million, three hundred seventy-three thousand, eight hundred seventy-one".

Divisors: 1 397 134443 53373871