Search a number
-
+
82252661 = 5310191523
BaseRepresentation
bin1001110011100…
…01001101110101
312201202212102212
410321301031311
5132024041121
612054543205
72016064451
oct471611565
9181685385
1082252661
114247a707
1223667b05
131406b81a
14acd1661
15734b25b
hex4e71375

82252661 has 8 divisors (see below), whose sum is σ = 83941920. Its totient is φ = 80568592.

The previous prime is 82252649. The next prime is 82252663. The reversal of 82252661 is 16625228.

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 82252661 - 214 = 82236277 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 (82252663) 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, 53246 + ... + 54768.

It is an arithmetic number, because the mean of its divisors is an integer number (10492740).

Almost surely, 282252661 is an apocalyptic number.

It is an amenable number.

82252661 is a deficient number, since it is larger than the sum of its proper divisors (1689259).

82252661 is a wasteful number, since it uses less digits than its factorization.

82252661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its digits is 11520, while the sum is 32.

The square root of 82252661 is about 9069.3252781009. The cubic root of 82252661 is about 434.8939028693.

Adding to 82252661 its reverse (16625228), we get a palindrome (98877889).

The spelling of 82252661 in words is "eighty-two million, two hundred fifty-two thousand, six hundred sixty-one".

Divisors: 1 53 1019 1523 54007 80719 1551937 82252661