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53142862 = 226571431
BaseRepresentation
bin1100101010111…
…0010101001110
310200222221022011
43022232111032
5102101032422
65135011434
71213464313
oct312562516
9120887264
1053142862
1127aa8023
1215969b7a
13b018aa6
1470b4d0a
1549eb077
hex32ae54e

53142862 has 4 divisors (see below), whose sum is σ = 79714296. Its totient is φ = 26571430.

The previous prime is 53142851. The next prime is 53142863. The reversal of 53142862 is 26824135.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53142863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13285714 + ... + 13285717.

It is an arithmetic number, because the mean of its divisors is an integer number (19928574).

Almost surely, 253142862 is an apocalyptic number.

53142862 is a deficient number, since it is larger than the sum of its proper divisors (26571434).

53142862 is a wasteful number, since it uses less digits than its factorization.

53142862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26571433.

The product of its digits is 11520, while the sum is 31.

The square root of 53142862 is about 7289.9150886687. The cubic root of 53142862 is about 375.9657760837.

Adding to 53142862 its reverse (26824135), we get a palindrome (79966997).

The spelling of 53142862 in words is "fifty-three million, one hundred forty-two thousand, eight hundred sixty-two".

Divisors: 1 2 26571431 53142862