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52805329 = 301917491
BaseRepresentation
bin1100100101101…
…1111011010001
310200100210021221
43021123323101
5102004232304
65123445041
71210560253
oct311337321
9120323257
1052805329
1127897475
1215826781
13ac2b275
147027cd3
154981054
hex325bed1

52805329 has 4 divisors (see below), whose sum is σ = 52825840. Its totient is φ = 52784820.

The previous prime is 52805303. The next prime is 52805381. The reversal of 52805329 is 92350825.

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 not a de Polignac number, because 52805329 - 213 = 52797137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52805294 and 52805303.

It is not an unprimeable number, because it can be changed into a prime (52805399) 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, 5727 + ... + 11764.

It is an arithmetic number, because the mean of its divisors is an integer number (13206460).

Almost surely, 252805329 is an apocalyptic number.

It is an amenable number.

52805329 is a deficient number, since it is larger than the sum of its proper divisors (20511).

52805329 is a wasteful number, since it uses less digits than its factorization.

52805329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20510.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 52805329 is about 7266.7275303262. The cubic root of 52805329 is about 375.1681118837.

It can be divided in two parts, 5280 and 5329, that added together give a square (10609 = 1032).

The spelling of 52805329 in words is "fifty-two million, eight hundred five thousand, three hundred twenty-nine".

Divisors: 1 3019 17491 52805329