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52093997 = 268919373
BaseRepresentation
bin1100011010111…
…0010000101101
310122000122112022
43012232100231
5101314001442
65100315525
71201535354
oct306562055
9118018468
1052093997
1127450a9a
1215542ba5
13aa3c567
146cc099b
1548903d2
hex31ae42d

52093997 has 4 divisors (see below), whose sum is σ = 52116060. Its totient is φ = 52071936.

The previous prime is 52093963. The next prime is 52094023. The reversal of 52093997 is 79939025.

52093997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 44970436 = 2669^2 + 6706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52093997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52093297) 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 3 ways as a sum of consecutive naturals, for example, 6998 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (13029015).

Almost surely, 252093997 is an apocalyptic number.

It is an amenable number.

52093997 is a deficient number, since it is larger than the sum of its proper divisors (22063).

52093997 is a wasteful number, since it uses less digits than its factorization.

52093997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 52093997 is about 7217.6171275567. The cubic root of 52093997 is about 373.4758808506.

The spelling of 52093997 in words is "fifty-two million, ninety-three thousand, nine hundred ninety-seven".

Divisors: 1 2689 19373 52093997