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53506005 = 357509581
BaseRepresentation
bin1100110000011…
…0111111010101
310201200101102220
43030012333111
5102144143010
65150452553
71216536120
oct314067725
9121611386
1053506005
1128225943
1215b04159
13b115177
14716b3b7
154a6d970
hex3306fd5

53506005 has 16 divisors (see below), whose sum is σ = 97839744. Its totient is φ = 24459840.

The previous prime is 53506003. The next prime is 53506009. The reversal of 53506005 is 50060535.

It is not a de Polignac number, because 53506005 - 21 = 53506003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254686 + ... + 254895.

It is an arithmetic number, because the mean of its divisors is an integer number (6114984).

Almost surely, 253506005 is an apocalyptic number.

It is an amenable number.

53506005 is a deficient number, since it is larger than the sum of its proper divisors (44333739).

53506005 is a wasteful number, since it uses less digits than its factorization.

53506005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509596.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53506005 is about 7314.7799009950. The cubic root of 53506005 is about 376.8201995901.

The spelling of 53506005 in words is "fifty-three million, five hundred six thousand, five".

Divisors: 1 3 5 7 15 21 35 105 509581 1528743 2547905 3567067 7643715 10701201 17835335 53506005