Search a number
-
+
193379740 = 2259668987
BaseRepresentation
bin10111000011010…
…11110110011100
3111110212201010121
423201223312130
5344001122430
631104444324
74535462221
oct1341536634
9443781117
10193379740
119a181074
12549196a4
13310a9ba8
141b97b948
1511e9ca7a
hexb86bd9c

193379740 has 12 divisors (see below), whose sum is σ = 406097496. Its totient is φ = 77351888.

The previous prime is 193379717. The next prime is 193379741. The reversal of 193379740 is 47973391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193379741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4834474 + ... + 4834513.

It is an arithmetic number, because the mean of its divisors is an integer number (33841458).

Almost surely, 2193379740 is an apocalyptic number.

193379740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193379740 is an abundant number, since it is smaller than the sum of its proper divisors (212717756).

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

193379740 is a wasteful number, since it uses less digits than its factorization.

193379740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668996 (or 9668994 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 193379740 is about 13906.1044149683. The cubic root of 193379740 is about 578.2784265398.

The spelling of 193379740 in words is "one hundred ninety-three million, three hundred seventy-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 9668987 19337974 38675948 48344935 96689870 193379740