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53497206 = 2337307461
BaseRepresentation
bin1100110000010…
…0110101110110
310201122221101000
43030010311312
5102143402311
65150344130
71216501350
oct314046566
9121587330
1053497206
112821a274
1215abb046
13b111169
1471680d0
154a6b056
hex3304d76

53497206 has 64 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 15202080.

The previous prime is 53497189. The next prime is 53497207. The reversal of 53497206 is 60279435.

53497206 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 (53497207) 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 31 ways as a sum of consecutive naturals, for example, 115816 + ... + 116276.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 253497206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53497206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

53497206 is an abundant number, since it is smaller than the sum of its proper divisors (83106954).

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

53497206 is a wasteful number, since it uses less digits than its factorization.

53497206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 53497206 is about 7314.1784227622. The cubic root of 53497206 is about 376.7995425772.

The spelling of 53497206 in words is "fifty-three million, four hundred ninety-seven thousand, two hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 307 378 461 614 921 922 1383 1842 2149 2763 2766 3227 4149 4298 5526 6447 6454 8289 8298 9681 12447 12894 16578 19341 19362 24894 29043 38682 58023 58086 87129 116046 141527 174258 283054 424581 849162 990689 1273743 1981378 2547486 2972067 3821229 5944134 7642458 8916201 17832402 26748603 53497206