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53142351 = 323770179
BaseRepresentation
bin1100101010111…
…0001101001111
310200222220121020
43022232031033
5102101023401
65135005223
71213462653
oct312561517
9120886536
1053142351
1127aa76a9
1215969813
13b0187a2
1470b4a63
1549ead36
hex32ae34f

53142351 has 8 divisors (see below), whose sum is σ = 73937280. Its totient is φ = 33887832.

The previous prime is 53142347. The next prime is 53142359. The reversal of 53142351 is 15324135.

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

It is not a de Polignac number, because 53142351 - 22 = 53142347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53142359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385021 + ... + 385158.

It is an arithmetic number, because the mean of its divisors is an integer number (9242160).

Almost surely, 253142351 is an apocalyptic number.

53142351 is a deficient number, since it is larger than the sum of its proper divisors (20794929).

53142351 is a wasteful number, since it uses less digits than its factorization.

53142351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770205.

The product of its digits is 1800, while the sum is 24.

The square root of 53142351 is about 7289.8800401653. The cubic root of 53142351 is about 375.9645710356.

Adding to 53142351 its reverse (15324135), we get a palindrome (68466486).

The spelling of 53142351 in words is "fifty-three million, one hundred forty-two thousand, three hundred fifty-one".

Divisors: 1 3 23 69 770179 2310537 17714117 53142351