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53189073 = 3271749663
BaseRepresentation
bin1100101011100…
…1100111010001
310201002021200200
43022321213101
5102104022243
65140005413
71214046120
oct312714721
9121067620
1053189073
1128029813
1215990869
13b033b32
1470c7ab7
154a09ad3
hex32b99d1

53189073 has 24 divisors (see below), whose sum is σ = 92971008. Its totient is φ = 28605312.

The previous prime is 53189069. The next prime is 53189083. The reversal of 53189073 is 37098135.

It is not a de Polignac number, because 53189073 - 22 = 53189069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53189053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23761 + ... + 25902.

It is an arithmetic number, because the mean of its divisors is an integer number (3873792).

Almost surely, 253189073 is an apocalyptic number.

It is an amenable number.

53189073 is a deficient number, since it is larger than the sum of its proper divisors (39781935).

53189073 is a wasteful number, since it uses less digits than its factorization.

53189073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49693 (or 49690 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 53189073 is about 7293.0839156011. The cubic root of 53189073 is about 376.0747196646.

The spelling of 53189073 in words is "fifty-three million, one hundred eighty-nine thousand, seventy-three".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 49663 148989 347641 446967 844271 1042923 2532813 3128769 5909897 7598439 17729691 53189073