Search a number
-
+
193968982 = 22310340939
BaseRepresentation
bin10111000111110…
…11101101010110
3111111222122102101
423203323231112
5344124001412
631125232314
74543465144
oct1343735526
9444878371
10193968982
119a543849
1254b6269a
133125515c
141ba92594
1512067457
hexb8fbb56

193968982 has 16 divisors (see below), whose sum is σ = 306558720. Its totient is φ = 91864872.

The previous prime is 193968941. The next prime is 193968989. The reversal of 193968982 is 289869391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193968989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15732 + ... + 25207.

It is an arithmetic number, because the mean of its divisors is an integer number (19159920).

Almost surely, 2193968982 is an apocalyptic number.

193968982 is a deficient number, since it is larger than the sum of its proper divisors (112589738).

193968982 is a wasteful number, since it uses less digits than its factorization.

193968982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41067.

The product of its digits is 1679616, while the sum is 55.

The square root of 193968982 is about 13927.2747513647. The cubic root of 193968982 is about 578.8651829891.

The spelling of 193968982 in words is "one hundred ninety-three million, nine hundred sixty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 23 46 103 206 2369 4738 40939 81878 941597 1883194 4216717 8433434 96984491 193968982