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65996 = 2272357
BaseRepresentation
bin10000000111001100
310100112022
4100013030
54102441
61225312
7363260
oct200714
9110468
1065996
1145647
1232238
1324068
141a0a0
151484b
hex101cc

65996 has 12 divisors (see below), whose sum is σ = 132048. Its totient is φ = 28272.

The previous prime is 65993. The next prime is 66029. The reversal of 65996 is 69956.

65996 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (65993) 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, 1151 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (11004).

265996 is an apocalyptic number.

It is an amenable number.

65996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66024).

65996 is a wasteful number, since it uses less digits than its factorization.

65996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 65996 is about 256.8968664659. The cubic root of 65996 is about 40.4115837776.

The spelling of 65996 in words is "sixty-five thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 2357 4714 9428 16499 32998 65996