Search a number
-
+
219214142 = 2722236879
BaseRepresentation
bin11010001000011…
…11000100111110
3120021111020021022
431010033010332
5422104323032
633430304142
75301201200
oct1504170476
9507436238
10219214142
11102816914
12614b8052
1336553b14
1421184770
15143a2512
hexd10f13e

219214142 has 12 divisors (see below), whose sum is σ = 382506480. Its totient is φ = 93948876.

The previous prime is 219214141. The next prime is 219214147. The reversal of 219214142 is 241412912.

219214142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219214141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118342 + ... + 1118537.

It is an arithmetic number, because the mean of its divisors is an integer number (31875540).

Almost surely, 2219214142 is an apocalyptic number.

219214142 is a deficient number, since it is larger than the sum of its proper divisors (163292338).

219214142 is a wasteful number, since it uses less digits than its factorization.

219214142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236895 (or 2236888 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 219214142 is about 14805.8820068242. The cubic root of 219214142 is about 602.9614167114.

The spelling of 219214142 in words is "two hundred nineteen million, two hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 49 98 2236879 4473758 15658153 31316306 109607071 219214142