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65132241 = 3672511291
BaseRepresentation
bin1111100001110…
…1011011010001
311112120001122020
43320131123101
5113133212431
610244002053
71420420626
oct370353321
9145501566
1065132241
11338468a9
1219990329
1310655cb5
14891634d
155ab8696
hex3e1d6d1

65132241 has 16 divisors (see below), whose sum is σ = 88558848. Its totient is φ = 42570000.

The previous prime is 65132239. The next prime is 65132269. The reversal of 65132241 is 14223156.

It is not a de Polignac number, because 65132241 - 21 = 65132239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65139241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49806 + ... + 51096.

It is an arithmetic number, because the mean of its divisors is an integer number (5534928).

Almost surely, 265132241 is an apocalyptic number.

It is an amenable number.

65132241 is a deficient number, since it is larger than the sum of its proper divisors (23426607).

65132241 is a wasteful number, since it uses less digits than its factorization.

65132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 1440, while the sum is 24.

The square root of 65132241 is about 8070.4548198971. The cubic root of 65132241 is about 402.3450602803.

Adding to 65132241 its reverse (14223156), we get a palindrome (79355397).

The spelling of 65132241 in words is "sixty-five million, one hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 3 67 201 251 753 1291 3873 16817 50451 86497 259491 324041 972123 21710747 65132241