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53472717 = 34660157
BaseRepresentation
bin1100101111111…
…0110111001101
310201121200210000
43023332313031
5102142111332
65150034513
71216340064
oct313766715
9121550700
1053472717
1128202931
1215aa8a39
13b102c7c
14715d1db
154a63b7c
hex32fedcd

53472717 has 10 divisors (see below), whose sum is σ = 79879118. Its totient is φ = 35648424.

The previous prime is 53472697. The next prime is 53472721. The reversal of 53472717 is 71727435.

It can be written as a sum of positive squares in only one way, i.e., 50424201 + 3048516 = 7101^2 + 1746^2 .

It is a de Polignac number, because none of the positive numbers 2k-53472717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53474717) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 329998 + ... + 330159.

Almost surely, 253472717 is an apocalyptic number.

It is an amenable number.

53472717 is a deficient number, since it is larger than the sum of its proper divisors (26406401).

53472717 is an equidigital number, since it uses as much as digits as its factorization.

53472717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660169 (or 660160 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 53472717 is about 7312.5041538450. The cubic root of 53472717 is about 376.7420389365.

The spelling of 53472717 in words is "fifty-three million, four hundred seventy-two thousand, seven hundred seventeen".

Divisors: 1 3 9 27 81 660157 1980471 5941413 17824239 53472717