Search a number
-
+
53472747 = 318679547
BaseRepresentation
bin1100101111111…
…0110111101011
310201121200211010
43023332313223
5102142111442
65150035003
71216340136
oct313766753
9121550733
1053472747
1128202959
1215aa8a63
13b102ca3
14715d21d
154a63b9c
hex32fedeb

53472747 has 8 divisors (see below), whose sum is σ = 71342656. Its totient is φ = 35625672.

The previous prime is 53472739. The next prime is 53472751. The reversal of 53472747 is 74727435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53472747 - 23 = 53472739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53472247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (8917832).

Almost surely, 253472747 is an apocalyptic number.

53472747 is a deficient number, since it is larger than the sum of its proper divisors (17869909).

53472747 is a wasteful number, since it uses less digits than its factorization.

53472747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its digits is 164640, while the sum is 39.

The square root of 53472747 is about 7312.5062051256. The cubic root of 53472747 is about 376.7421093915.

The spelling of 53472747 in words is "fifty-three million, four hundred seventy-two thousand, seven hundred forty-seven".

Divisors: 1 3 1867 5601 9547 28641 17824249 53472747