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193442992 = 2429735711
BaseRepresentation
bin10111000011110…
…11010010110000
3111110222220220021
423201323102300
5344010133432
631110053224
74536144511
oct1341732260
9443886807
10193442992
119a214646
125494a214
13310cc912
141b996a08
1511eb1697
hexb87b4b0

193442992 has 40 divisors (see below), whose sum is σ = 393099840. Its totient is φ = 92090880.

The previous prime is 193442987. The next prime is 193443031. The reversal of 193442992 is 299244391.

It is a happy number.

193442992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31017 + ... + 36727.

It is an arithmetic number, because the mean of its divisors is an integer number (9827496).

Almost surely, 2193442992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193442992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196549920).

193442992 is an abundant number, since it is smaller than the sum of its proper divisors (199656848).

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

193442992 is a wasteful number, since it uses less digits than its factorization.

193442992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821 (or 5815 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 193442992 is about 13908.3784820517. The cubic root of 193442992 is about 578.3414687865.

The spelling of 193442992 in words is "one hundred ninety-three million, four hundred forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 29 58 73 116 146 232 292 464 584 1168 2117 4234 5711 8468 11422 16936 22844 33872 45688 91376 165619 331238 416903 662476 833806 1324952 1667612 2649904 3335224 6670448 12090187 24180374 48360748 96721496 193442992