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64885 = 519683
BaseRepresentation
bin1111110101110101
310022000011
433311311
54034020
61220221
7360112
oct176565
9108004
1064885
1144827
1231671
13236c2
1419909
151435a
hexfd75

64885 has 8 divisors (see below), whose sum is σ = 82080. Its totient is φ = 49104.

The previous prime is 64879. The next prime is 64891. The reversal of 64885 is 58846.

64885 = 762 + 772 + ... + 852.

64885 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (64879) and next prime (64891).

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

It is a cyclic number.

It is not a de Polignac number, because 64885 - 23 = 64877 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 436.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

264885 is an apocalyptic number.

It is an amenable number.

64885 is a deficient number, since it is larger than the sum of its proper divisors (17195).

64885 is a wasteful number, since it uses less digits than its factorization.

64885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 7680, while the sum is 31.

The square root of 64885 is about 254.7253422807. The cubic root of 64885 is about 40.1835316157.

It can be divided in two parts, 64 and 885, that added together give a palindrome (949).

The spelling of 64885 in words is "sixty-four thousand, eight hundred eighty-five".

Divisors: 1 5 19 95 683 3415 12977 64885