Search a number
-
+
208214312 = 23191369831
BaseRepresentation
bin11000110100100…
…01100100101000
3112111210101100012
430122101210220
5411300324222
632354431052
75105535545
oct1432214450
9474711305
10208214312
11a7593549
1259892488
13341a2147
141d91dbcc
151342d1e2
hexc691928

208214312 has 16 divisors (see below), whose sum is σ = 410949600. Its totient is φ = 98627760.

The previous prime is 208214311. The next prime is 208214327. The reversal of 208214312 is 213412802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (208214311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684764 + ... + 685067.

It is an arithmetic number, because the mean of its divisors is an integer number (25684350).

Almost surely, 2208214312 is an apocalyptic number.

It is an amenable number.

208214312 is a deficient number, since it is larger than the sum of its proper divisors (202735288).

208214312 is a wasteful number, since it uses less digits than its factorization.

208214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369856 (or 1369852 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 208214312 is about 14429.6331207692. The cubic root of 208214312 is about 592.7026369273.

The spelling of 208214312 in words is "two hundred eight million, two hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 1369831 2739662 5479324 10958648 26026789 52053578 104107156 208214312