Search a number
-
+
216348097 = 7234728591
BaseRepresentation
bin11001110010100…
…11010111000001
3120002002121210111
430321103113001
5420341114342
633245031321
75234633320
oct1471232701
9502077714
10216348097
11101139589
1260555541
1335a8c434
1420a3a0b7
1513ed8217
hexce535c1

216348097 has 16 divisors (see below), whose sum is σ = 263503872. Its totient is φ = 173598480.

The previous prime is 216348089. The next prime is 216348109. The reversal of 216348097 is 790843612.

216348097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216348097 - 23 = 216348089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216348047) 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, 6729 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (16468992).

Almost surely, 2216348097 is an apocalyptic number.

It is an amenable number.

216348097 is a deficient number, since it is larger than the sum of its proper divisors (47155775).

216348097 is a wasteful number, since it uses less digits than its factorization.

216348097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 216348097 is about 14708.7761897447. The cubic root of 216348097 is about 600.3221390501.

The spelling of 216348097 in words is "two hundred sixteen million, three hundred forty-eight thousand, ninety-seven".

Divisors: 1 7 23 47 161 329 1081 7567 28591 200137 657593 1343777 4603151 9406439 30906871 216348097