Search a number
-
+
214906656 = 25317373559
BaseRepresentation
bin11001100111100…
…11011100100000
3112222101101111210
430303303130200
5420004003111
633154110120
75216451006
oct1463633440
9488341453
10214906656
11100344608
125bb7b340
13356a6303
1420782a76
1513d010a6
hexccf3720

214906656 has 96 divisors (see below), whose sum is σ = 613630080. Its totient is φ = 65581056.

The previous prime is 214906651. The next prime is 214906669. The reversal of 214906656 is 656609412.

214906656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (214906651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58605 + ... + 62163.

It is an arithmetic number, because the mean of its divisors is an integer number (6391980).

Almost surely, 2214906656 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 214906656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306815040).

214906656 is an abundant number, since it is smaller than the sum of its proper divisors (398723424).

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

214906656 is a wasteful number, since it uses less digits than its factorization.

214906656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3618 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 214906656 is about 14659.6949490772. The cubic root of 214906656 is about 598.9859315185.

The spelling of 214906656 in words is "two hundred fourteen million, nine hundred six thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 37 48 51 68 74 96 102 111 136 148 204 222 272 296 408 444 544 592 629 816 888 1184 1258 1632 1776 1887 2516 3552 3559 3774 5032 7118 7548 10064 10677 14236 15096 20128 21354 28472 30192 42708 56944 60384 60503 85416 113888 121006 131683 170832 181509 242012 263366 341664 363018 395049 484024 526732 726036 790098 968048 1053464 1452072 1580196 1936096 2106928 2238611 2904144 3160392 4213856 4477222 5808288 6320784 6715833 8954444 12641568 13431666 17908888 26863332 35817776 53726664 71635552 107453328 214906656