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52703239 = 173304643
BaseRepresentation
bin1100100100001…
…1000000000111
310200011121020211
43021003000013
5101443000424
65121340251
71206653521
oct311030007
9120147224
1052703239
11278277a6
1215797687
13abc3964
146ddca11
154960b94
hex3243007

52703239 has 4 divisors (see below), whose sum is σ = 53008056. Its totient is φ = 52398424.

The previous prime is 52703227. The next prime is 52703249. The reversal of 52703239 is 93230725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52703239 - 225 = 19148807 is a prime.

It is a super-2 number, since 2×527032392 = 5555262802182242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52703239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52703249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152149 + ... + 152494.

It is an arithmetic number, because the mean of its divisors is an integer number (13252014).

Almost surely, 252703239 is an apocalyptic number.

52703239 is a deficient number, since it is larger than the sum of its proper divisors (304817).

52703239 is a wasteful number, since it uses less digits than its factorization.

52703239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304816.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 52703239 is about 7259.6996494345. The cubic root of 52703239 is about 374.9261816180.

The spelling of 52703239 in words is "fifty-two million, seven hundred three thousand, two hundred thirty-nine".

Divisors: 1 173 304643 52703239