Search a number
-
+
190681343 = 893795653
BaseRepresentation
bin10110101110110…
…01000011111111
3111021210121121222
423113121003333
5342303300333
630530543555
74503523166
oct1327310377
9437717558
10190681343
11986a8796
1253a37bbb
13306738c8
141b4783dd
1511b18298
hexb5d90ff

190681343 has 8 divisors (see below), whose sum is σ = 193366800. Its totient is φ = 188008128.

The previous prime is 190681301. The next prime is 190681391. The reversal of 190681343 is 343186091.

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

It is a cyclic number.

It is not a de Polignac number, because 190681343 - 222 = 186487039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190683343) 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, 30905 + ... + 36557.

It is an arithmetic number, because the mean of its divisors is an integer number (24170850).

Almost surely, 2190681343 is an apocalyptic number.

190681343 is a deficient number, since it is larger than the sum of its proper divisors (2685457).

190681343 is an equidigital number, since it uses as much as digits as its factorization.

190681343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 190681343 is about 13808.7415429502. The cubic root of 190681343 is about 575.5760759614.

The spelling of 190681343 in words is "one hundred ninety million, six hundred eighty-one thousand, three hundred forty-three".

Divisors: 1 89 379 5653 33731 503117 2142487 190681343