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53489875 = 53427919
BaseRepresentation
bin1100110000001…
…1000011010011
310201122120022111
43030003003103
5102143134000
65150250151
71216441105
oct314030323
9121576274
1053489875
112821480a
1215ab6957
13b10aa1a
147165575
154a68cba
hex33030d3

53489875 has 8 divisors (see below), whose sum is σ = 66755520. Its totient is φ = 42791800.

The previous prime is 53489861. The next prime is 53489941. The reversal of 53489875 is 57898435.

It is not a de Polignac number, because 53489875 - 27 = 53489747 is a prime.

It is a super-2 number, since 2×534898752 = 5722333455031250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 213835 + ... + 214084.

It is an arithmetic number, because the mean of its divisors is an integer number (8344440).

Almost surely, 253489875 is an apocalyptic number.

53489875 is a deficient number, since it is larger than the sum of its proper divisors (13265645).

53489875 is an equidigital number, since it uses as much as digits as its factorization.

53489875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427934 (or 427924 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 53489875 is about 7313.6772556628. The cubic root of 53489875 is about 376.7823301915.

It can be divided in two parts, 534 and 89875, that added together give a palindrome (90409).

The spelling of 53489875 in words is "fifty-three million, four hundred eighty-nine thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 427919 2139595 10697975 53489875