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53512147 = 1337910861
BaseRepresentation
bin1100110000100…
…0011111010011
310201200200212101
43030020133103
5102144342042
65150541231
71216563043
oct314103723
9121620771
1053512147
112822a517
1215b07817
13b117bc0
14716d723
154a706b7
hex33087d3

53512147 has 8 divisors (see below), whose sum is σ = 57785840. Its totient is φ = 49260960.

The previous prime is 53512127. The next prime is 53512153. The reversal of 53512147 is 74121535.

It is a happy number.

53512147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53512147 - 215 = 53479379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53512117) 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 7 ways as a sum of consecutive naturals, for example, 504 + ... + 10357.

It is an arithmetic number, because the mean of its divisors is an integer number (7223230).

Almost surely, 253512147 is an apocalyptic number.

53512147 is a deficient number, since it is larger than the sum of its proper divisors (4273693).

53512147 is a wasteful number, since it uses less digits than its factorization.

53512147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253.

The product of its digits is 4200, while the sum is 28.

The square root of 53512147 is about 7315.1997238626. The cubic root of 53512147 is about 376.8346175426.

The spelling of 53512147 in words is "fifty-three million, five hundred twelve thousand, one hundred forty-seven".

Divisors: 1 13 379 4927 10861 141193 4116319 53512147