Search a number
-
+
194046149 = 11101174659
BaseRepresentation
bin10111001000011…
…10100011000101
3111112010120021102
423210032203011
5344133434044
631131025445
74544236133
oct1344164305
9445116242
10194046149
119a596820
1254b9b285
133128130b
141bab2753
151208024e
hexb90e8c5

194046149 has 8 divisors (see below), whose sum is σ = 213783840. Its totient is φ = 174658000.

The previous prime is 194046079. The next prime is 194046157. The reversal of 194046149 is 941640491.

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

It is a de Polignac number, because none of the positive numbers 2k-194046149 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 (194046169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86219 + ... + 88440.

It is an arithmetic number, because the mean of its divisors is an integer number (26722980).

Almost surely, 2194046149 is an apocalyptic number.

It is an amenable number.

194046149 is a deficient number, since it is larger than the sum of its proper divisors (19737691).

194046149 is a wasteful number, since it uses less digits than its factorization.

194046149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174771.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 194046149 is about 13930.0448312272. The cubic root of 194046149 is about 578.9419364419.

The spelling of 194046149 in words is "one hundred ninety-four million, forty-six thousand, one hundred forty-nine".

Divisors: 1 11 101 1111 174659 1921249 17640559 194046149