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52644319 = 713578509
BaseRepresentation
bin1100100011010…
…0100111011111
310200001121102121
43020310213133
5101434104234
65120203411
71206316660
oct310644737
9120047377
1052644319
1127797502
1215769567
13aba2bb0
146dc5367
15494d4b4
hex32349df

52644319 has 8 divisors (see below), whose sum is σ = 64793120. Its totient is φ = 41652576.

The previous prime is 52644311. The next prime is 52644323. The reversal of 52644319 is 91344625.

It is a happy number.

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

It is not a de Polignac number, because 52644319 - 23 = 52644311 is a prime.

It is a super-2 number, since 2×526443192 = 5542848645947522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644311) 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, 289164 + ... + 289345.

It is an arithmetic number, because the mean of its divisors is an integer number (8099140).

Almost surely, 252644319 is an apocalyptic number.

52644319 is a deficient number, since it is larger than the sum of its proper divisors (12148801).

52644319 is a wasteful number, since it uses less digits than its factorization.

52644319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578529.

The product of its digits is 25920, while the sum is 34.

The square root of 52644319 is about 7255.6404955042. The cubic root of 52644319 is about 374.7864122965.

The spelling of 52644319 in words is "fifty-two million, six hundred forty-four thousand, three hundred nineteen".

Divisors: 1 7 13 91 578509 4049563 7520617 52644319