Search a number
-
+
52887009 = 372518429
BaseRepresentation
bin1100100110111…
…1110111100001
310200111221100010
43021233313201
5102014341014
65125315133
71211350350
oct311576741
9120457303
1052887009
112794287a
1215865aa9
13ac594b6
147049997
15499a359
hex326fde1

52887009 has 8 divisors (see below), whose sum is σ = 80589760. Its totient is φ = 30221136.

The previous prime is 52887001. The next prime is 52887031. The reversal of 52887009 is 90078825.

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

It is not a de Polignac number, because 52887009 - 23 = 52887001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52887001) 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, 1259194 + ... + 1259235.

It is an arithmetic number, because the mean of its divisors is an integer number (10073720).

Almost surely, 252887009 is an apocalyptic number.

It is an amenable number.

52887009 is a deficient number, since it is larger than the sum of its proper divisors (27702751).

52887009 is a wasteful number, since it uses less digits than its factorization.

52887009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518439.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 52887009 is about 7272.3454950930. The cubic root of 52887009 is about 375.3614506084.

The spelling of 52887009 in words is "fifty-two million, eight hundred eighty-seven thousand, nine".

Divisors: 1 3 7 21 2518429 7555287 17629003 52887009