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52640195 = 513776847
BaseRepresentation
bin1100100011001…
…1100111000011
310200001101202212
43020303213003
5101433441240
65120132335
71206301646
oct310634703
9120041685
1052640195
11277943a3
12157670ab
13aba105a
146dc3a5d
15494c165
hex32339c3

52640195 has 8 divisors (see below), whose sum is σ = 63630144. Its totient is φ = 41804224.

The previous prime is 52640179. The next prime is 52640197. The reversal of 52640195 is 59104625.

It is a happy number.

52640195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52640195 - 24 = 52640179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52640197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37739 + ... + 39108.

It is an arithmetic number, because the mean of its divisors is an integer number (7953768).

Almost surely, 252640195 is an apocalyptic number.

52640195 is a deficient number, since it is larger than the sum of its proper divisors (10989949).

52640195 is a wasteful number, since it uses less digits than its factorization.

52640195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76989.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52640195 is about 7255.3562972469. The cubic root of 52640195 is about 374.7766254885.

The spelling of 52640195 in words is "fifty-two million, six hundred forty thousand, one hundred ninety-five".

Divisors: 1 5 137 685 76847 384235 10528039 52640195