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52639017 = 353331063
BaseRepresentation
bin1100100011001…
…1010100101001
310200001100011020
43020303110221
5101433422032
65120123053
71206265344
oct310632451
9120040136
1052639017
1127793522
1215766489
13aba0662
146dc345b
15494bb2c
hex3233529

52639017 has 8 divisors (see below), whose sum is σ = 71509824. Its totient is φ = 34430448.

The previous prime is 52639003. The next prime is 52639073. The reversal of 52639017 is 71093625.

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

It is not a de Polignac number, because 52639017 - 24 = 52639001 is a prime.

It is a super-2 number, since 2×526390172 = 5541732221452578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52639417) 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, 165373 + ... + 165690.

It is an arithmetic number, because the mean of its divisors is an integer number (8938728).

Almost surely, 252639017 is an apocalyptic number.

It is an amenable number.

52639017 is a deficient number, since it is larger than the sum of its proper divisors (18870807).

52639017 is a wasteful number, since it uses less digits than its factorization.

52639017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331119.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 52639017 is about 7255.2751153902. The cubic root of 52639017 is about 374.7738298418.

The spelling of 52639017 in words is "fifty-two million, six hundred thirty-nine thousand, seventeen".

Divisors: 1 3 53 159 331063 993189 17546339 52639017