Search a number
-
+
214809212 = 221719533137
BaseRepresentation
bin11001100110110…
…11101001111100
3112222012102211202
430303123221330
5414442343322
633152035032
75215563632
oct1463335174
9488172752
10214809212
11100288382
125bb32a78
1335670b57
1420759352
1513cd2292
hexccdba7c

214809212 has 48 divisors (see below), whose sum is σ = 427019040. Its totient is φ = 93929472.

The previous prime is 214809191. The next prime is 214809227. The reversal of 214809212 is 212908412.

It is a super-2 number, since 2×2148092122 = 92285995120121888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66908 + ... + 70044.

It is an arithmetic number, because the mean of its divisors is an integer number (8896230).

Almost surely, 2214809212 is an apocalyptic number.

It is an amenable number.

214809212 is a deficient number, since it is larger than the sum of its proper divisors (212209828).

214809212 is a wasteful number, since it uses less digits than its factorization.

214809212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 214809212 is about 14656.3710378797. The cubic root of 214809212 is about 598.8953861469.

The spelling of 214809212 in words is "two hundred fourteen million, eight hundred nine thousand, two hundred twelve".

Divisors: 1 2 4 17 19 34 38 53 68 76 106 212 323 646 901 1007 1292 1802 2014 3137 3604 4028 6274 12548 17119 34238 53329 59603 68476 106658 119206 166261 213316 238412 332522 665044 1013251 2026502 2826437 3158959 4053004 5652874 6317918 11305748 12635836 53702303 107404606 214809212