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52364209 = 192756011
BaseRepresentation
bin1100011111000…
…0001110110001
310122112101012011
43013300032301
5101401123314
65110202521
71204042222
oct307601661
9118471164
1052364209
1127616007
1215653441
13ab05551
146d51249
1548e54c4
hex31f03b1

52364209 has 4 divisors (see below), whose sum is σ = 55120240. Its totient is φ = 49608180.

The previous prime is 52364197. The next prime is 52364231. The reversal of 52364209 is 90246325.

52364209 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52364209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52361209) 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, 1377987 + ... + 1378024.

It is an arithmetic number, because the mean of its divisors is an integer number (13780060).

Almost surely, 252364209 is an apocalyptic number.

It is an amenable number.

52364209 is a deficient number, since it is larger than the sum of its proper divisors (2756031).

52364209 is a wasteful number, since it uses less digits than its factorization.

52364209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756030.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 52364209 is about 7236.3118368406. The cubic root of 52364209 is about 374.1205084128.

The spelling of 52364209 in words is "fifty-two million, three hundred sixty-four thousand, two hundred nine".

Divisors: 1 19 2756011 52364209