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527242231 = 5922739367
BaseRepresentation
bin11111011011010…
…001001111110111
31100202002200101001
4133123101033313
52034433222411
6124152344131
716031325235
oct3733211767
91322080331
10527242231
1125068398a
121286a5047
1385302a69
1450047955
1531449dc1
hex1f6d13f7

527242231 has 8 divisors (see below), whose sum is σ = 538554240. Its totient is φ = 516009528.

The previous prime is 527242223. The next prime is 527242253. The reversal of 527242231 is 132242725.

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 527242231 - 23 = 527242223 is a prime.

It is a super-2 number, since 2×5272422312 = 555968740299714722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 527242231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527242211) 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, 6291 + ... + 33076.

It is an arithmetic number, because the mean of its divisors is an integer number (67319280).

Almost surely, 2527242231 is an apocalyptic number.

527242231 is a deficient number, since it is larger than the sum of its proper divisors (11312009).

527242231 is a wasteful number, since it uses less digits than its factorization.

527242231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653.

The product of its digits is 6720, while the sum is 28.

The square root of 527242231 is about 22961.7558344304. The cubic root of 527242231 is about 807.8611616291.

Adding to 527242231 its reverse (132242725), we get a palindrome (659484956).

The spelling of 527242231 in words is "five hundred twenty-seven million, two hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 59 227 13393 39367 2322653 8936309 527242231