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65056164 = 22329712633
BaseRepresentation
bin1111100000101…
…0110110100100
311112102012021120
43320022312210
5113123244124
610242213540
71416653055
oct370126644
9145365246
1065056164
11337a4728
12199542b0
131062a494
1488d672c
155aa0d79
hex3e0ada4

65056164 has 48 divisors (see below), whose sum is σ = 159304320. Its totient is φ = 20634880.

The previous prime is 65056141. The next prime is 65056169. The reversal of 65056164 is 46165056.

65056164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65056169) 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 15 ways as a sum of consecutive naturals, for example, 23392 + ... + 26024.

It is an arithmetic number, because the mean of its divisors is an integer number (3318840).

Almost surely, 265056164 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 65056164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79652160).

65056164 is an abundant number, since it is smaller than the sum of its proper divisors (94248156).

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

65056164 is a wasteful number, since it uses less digits than its factorization.

65056164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 65056164 is about 8065.7401396276. The cubic root of 65056164 is about 402.1883476701.

The spelling of 65056164 in words is "sixty-five million, fifty-six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 29 58 71 87 116 142 174 213 284 348 426 852 2059 2633 4118 5266 6177 7899 8236 10532 12354 15798 24708 31596 76357 152714 186943 229071 305428 373886 458142 560829 747772 916284 1121658 2243316 5421347 10842694 16264041 21685388 32528082 65056164