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52660002 = 238776667
BaseRepresentation
bin1100100011100…
…0011100100010
310200002101221110
43020320130202
5101440110002
65120404150
71206413463
oct310703442
9120071843
1052660002
11277a826a
1215776656
13abaa085
154952e6c
hex3238722

52660002 has 8 divisors (see below), whose sum is σ = 105320016. Its totient is φ = 17553332.

The previous prime is 52659973. The next prime is 52660007. The reversal of 52660002 is 20006625.

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

52660002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (52660007) by changing a digit.

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, 4388328 + ... + 4388339.

It is an arithmetic number, because the mean of its divisors is an integer number (13165002).

Almost surely, 252660002 is an apocalyptic number.

52660002 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.

52660002 is a wasteful number, since it uses less digits than its factorization.

52660002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776672.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52660002 is about 7256.7211604140. The cubic root of 52660002 is about 374.8236255029.

Adding to 52660002 its reverse (20006625), we get a palindrome (72666627).

The spelling of 52660002 in words is "fifty-two million, six hundred sixty thousand, two".

Divisors: 1 2 3 6 8776667 17553334 26330001 52660002