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53143411 = 173126083
BaseRepresentation
bin1100101010111…
…0011101110011
310200222222001111
43022232131303
5102101042121
65135014151
71213466026
oct312563563
9120888044
1053143411
1127aa8482
121596a357
13b019109
1470b51bd
1549eb2e1
hex32ae773

53143411 has 4 divisors (see below), whose sum is σ = 56269512. Its totient is φ = 50017312.

The previous prime is 53143403. The next prime is 53143423. The reversal of 53143411 is 11434135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11434135 = 52286827.

It is a cyclic number.

It is not a de Polignac number, because 53143411 - 23 = 53143403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53143481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563025 + ... + 1563058.

It is an arithmetic number, because the mean of its divisors is an integer number (14067378).

Almost surely, 253143411 is an apocalyptic number.

53143411 is a deficient number, since it is larger than the sum of its proper divisors (3126101).

53143411 is a wasteful number, since it uses less digits than its factorization.

53143411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126100.

The product of its digits is 720, while the sum is 22.

The square root of 53143411 is about 7289.9527433311. The cubic root of 53143411 is about 375.9670707355.

Adding to 53143411 its reverse (11434135), we get a palindrome (64577546).

The spelling of 53143411 in words is "fifty-three million, one hundred forty-three thousand, four hundred eleven".

Divisors: 1 17 3126083 53143411