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52431171 = 3131344389
BaseRepresentation
bin1100100000000…
…0100101000011
310122122210001020
43020000211003
5101410244141
65111440523
71204441362
oct310004503
9118583036
1052431171
1127661351
1215686143
13ab29b80
146d6b7d9
15490a266
hex3200943

52431171 has 8 divisors (see below), whose sum is σ = 75285840. Its totient is φ = 32265312.

The previous prime is 52431167. The next prime is 52431173. The reversal of 52431171 is 17113425.

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

It is not a de Polignac number, because 52431171 - 22 = 52431167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52431173) 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, 672156 + ... + 672233.

It is an arithmetic number, because the mean of its divisors is an integer number (9410730).

Almost surely, 252431171 is an apocalyptic number.

52431171 is a deficient number, since it is larger than the sum of its proper divisors (22854669).

52431171 is a wasteful number, since it uses less digits than its factorization.

52431171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344405.

The product of its digits is 840, while the sum is 24.

The square root of 52431171 is about 7240.9371631026. The cubic root of 52431171 is about 374.2799123708.

Adding to 52431171 its reverse (17113425), we get a palindrome (69544596).

The spelling of 52431171 in words is "fifty-two million, four hundred thirty-one thousand, one hundred seventy-one".

Divisors: 1 3 13 39 1344389 4033167 17477057 52431171