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53242351 = 1719164837
BaseRepresentation
bin1100101100011…
…0100111101111
310201011222202221
43023012213233
5102112223401
65141100211
71214360341
oct313064757
9121158687
1053242351
1128065848
12159b7667
13b052166
1470dd291
154a1a7a1
hex32c69ef

53242351 has 8 divisors (see below), whose sum is σ = 59341680. Its totient is φ = 47472768.

The previous prime is 53242349. The next prime is 53242361. The reversal of 53242351 is 15324235.

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 53242351 - 21 = 53242349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53242361) 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, 82096 + ... + 82741.

It is an arithmetic number, because the mean of its divisors is an integer number (7417710).

Almost surely, 253242351 is an apocalyptic number.

53242351 is a deficient number, since it is larger than the sum of its proper divisors (6099329).

53242351 is a wasteful number, since it uses less digits than its factorization.

53242351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164873.

The product of its digits is 3600, while the sum is 25.

The square root of 53242351 is about 7296.7356399968. The cubic root of 53242351 is about 376.2002455888.

Adding to 53242351 its reverse (15324235), we get a palindrome (68566586).

The spelling of 53242351 in words is "fifty-three million, two hundred forty-two thousand, three hundred fifty-one".

Divisors: 1 17 19 323 164837 2802229 3131903 53242351