Search a number
-
+
197893216 = 2529213247
BaseRepresentation
bin10111100101110…
…01110001100000
3111210101000110101
423302321301200
5401130040331
631345312144
74622031103
oct1362716140
9453330411
10197893216
11a1784114
1256335654
1331cca3a1
141c3d473a
1512590061
hexbcb9c60

197893216 has 24 divisors (see below), whose sum is σ = 403038720. Its totient is φ = 95534208.

The previous prime is 197893207. The next prime is 197893229. The reversal of 197893216 is 612398791.

It is a happy number.

197893216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105696 + ... + 107551.

It is an arithmetic number, because the mean of its divisors is an integer number (16793280).

Almost surely, 2197893216 is an apocalyptic number.

197893216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197893216 is an abundant number, since it is smaller than the sum of its proper divisors (205145504).

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

197893216 is a wasteful number, since it uses less digits than its factorization.

197893216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213286 (or 213278 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 197893216 is about 14067.4523635234. The cubic root of 197893216 is about 582.7428703496.

It can be divided in two parts, 19789 and 3216, that added together give a triangular number (23005 = T214).

The spelling of 197893216 in words is "one hundred ninety-seven million, eight hundred ninety-three thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 213247 426494 852988 1705976 3411952 6184163 6823904 12368326 24736652 49473304 98946608 197893216