Search a number
-
+
65052 = 223213139
BaseRepresentation
bin1111111000011100
310022020100
433320130
54040202
61221100
7360441
oct177034
9108210
1065052
1144969
1231790
13237c0
14199c8
151441c
hexfe1c

65052 has 36 divisors (see below), whose sum is σ = 178360. Its totient is φ = 19872.

The previous prime is 65033. The next prime is 65053. The reversal of 65052 is 25056.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399 + ... + 537.

265052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89180).

65052 is an abundant number, since it is smaller than the sum of its proper divisors (113308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65052 is a wasteful number, since it uses less digits than its factorization.

65052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 65052 is about 255.0529356820. The cubic root of 65052 is about 40.2179766633.

The spelling of 65052 in words is "sixty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 139 156 234 278 417 468 556 834 1251 1668 1807 2502 3614 5004 5421 7228 10842 16263 21684 32526 65052