Search a number
-
+
216064000 = 21353211
BaseRepresentation
bin11001110000011…
…10000000000000
3120001120012002101
430320032000000
5420303022000
633235000144
75232341125
oct1470160000
9501505071
10216064000
11100a65099
1260439054
13359c0029
14209a474c
1513e7de6a
hexce0e000

216064000 has 112 divisors (see below), whose sum is σ = 541818576. Its totient is φ = 86016000.

The previous prime is 216063983. The next prime is 216064003. The reversal of 216064000 is 460612.

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 (216064003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023895 + ... + 1024105.

Almost surely, 2216064000 is an apocalyptic number.

216064000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270909288).

216064000 is an abundant number, since it is smaller than the sum of its proper divisors (325754576).

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

216064000 is an frugal number, since it uses more digits than its factorization.

216064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 216064000 is about 14699.1156196555. The cubic root of 216064000 is about 600.0592534075.

The spelling of 216064000 in words is "two hundred sixteen million, sixty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 211 250 256 320 400 422 500 512 640 800 844 1000 1024 1055 1280 1600 1688 2000 2048 2110 2560 3200 3376 4000 4096 4220 5120 5275 6400 6752 8000 8192 8440 10240 10550 12800 13504 16000 16880 20480 21100 25600 26375 27008 32000 33760 40960 42200 51200 52750 54016 64000 67520 84400 102400 105500 108032 128000 135040 168800 204800 211000 216064 256000 270080 337600 422000 432128 512000 540160 675200 844000 864256 1024000 1080320 1350400 1688000 1728512 2160640 2700800 3376000 4321280 5401600 6752000 8642560 10803200 13504000 21606400 27008000 43212800 54016000 108032000 216064000