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65716242 = 2310952707
BaseRepresentation
bin1111101010110…
…0000000010010
311120122201201220
43322230000102
5113310404432
610304305510
71425402354
oct372540022
9146581656
1065716242
1134105649
121a012296
13107cba67
148a290d4
155b8172c
hex3eac012

65716242 has 8 divisors (see below), whose sum is σ = 131432496. Its totient is φ = 21905412.

The previous prime is 65716223. The next prime is 65716253. The reversal of 65716242 is 24261756.

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

65716242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5476348 + ... + 5476359.

It is an arithmetic number, because the mean of its divisors is an integer number (16429062).

Almost surely, 265716242 is an apocalyptic number.

65716242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65716242 is a wasteful number, since it uses less digits than its factorization.

65716242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952712.

The product of its digits is 20160, while the sum is 33.

The square root of 65716242 is about 8106.5554954000. Note that the first 3 decimals coincide. The cubic root of 65716242 is about 403.5440113898.

Adding to 65716242 its reverse (24261756), we get a palindrome (89977998).

The spelling of 65716242 in words is "sixty-five million, seven hundred sixteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 10952707 21905414 32858121 65716242