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193385442 = 2332230907
BaseRepresentation
bin10111000011011…
…01001111100010
3111110212222221210
423201231033202
5344001313232
631104530550
74535514645
oct1341551742
9443788853
10193385442
119a185388
1254920a56
13310ac673
141b97da5c
1511e9e5cc
hexb86d3e2

193385442 has 8 divisors (see below), whose sum is σ = 386770896. Its totient is φ = 64461812.

The previous prime is 193385441. The next prime is 193385447. The reversal of 193385442 is 244583391.

It is a sphenic number, since it is the product of 3 distinct primes.

193385442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 193385442.

It is not an unprimeable number, because it can be changed into a prime (193385441) 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, 16115448 + ... + 16115459.

It is an arithmetic number, because the mean of its divisors is an integer number (48346362).

Almost surely, 2193385442 is an apocalyptic number.

193385442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

193385442 is a wasteful number, since it uses less digits than its factorization.

193385442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32230912.

The product of its digits is 103680, while the sum is 39.

The square root of 193385442 is about 13906.3094313337. The cubic root of 193385442 is about 578.2841101949.

The spelling of 193385442 in words is "one hundred ninety-three million, three hundred eighty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 32230907 64461814 96692721 193385442