Search a number
-
+
52864665 = 357895657
BaseRepresentation
bin1100100110101…
…0011010011001
310200110210200120
43021222122121
5102013132130
65125023453
71211225250
oct311523231
9120423616
1052864665
1127928007
1215854b89
13ac4c289
147041797
154993910
hex326a699

52864665 has 32 divisors (see below), whose sum is σ = 97770240. Its totient is φ = 23890944.

The previous prime is 52864663. The next prime is 52864681. The reversal of 52864665 is 56646825.

52864665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52864665 - 21 = 52864663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52864661) 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 31 ways as a sum of consecutive naturals, for example, 6517 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (3055320).

Almost surely, 252864665 is an apocalyptic number.

It is an amenable number.

52864665 is a deficient number, since it is larger than the sum of its proper divisors (44905575).

52864665 is a wasteful number, since it uses less digits than its factorization.

52864665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

The product of its digits is 345600, while the sum is 42.

The square root of 52864665 is about 7270.8091021564. The cubic root of 52864665 is about 375.3085815590.

The spelling of 52864665 in words is "fifty-two million, eight hundred sixty-four thousand, six hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 89 105 267 445 623 1335 1869 3115 5657 9345 16971 28285 39599 84855 118797 197995 503473 593985 1510419 2517365 3524311 7552095 10572933 17621555 52864665