Search a number
-
+
194069445 = 3512937963
BaseRepresentation
bin10111001000101…
…00001111000101
3111112011202020020
423210110033011
5344140210240
631131325353
74544364063
oct1344241705
9445152206
10194069445
119a602279
1254bb0859
133128babb
141babb033
15120870d0
hexb9143c5

194069445 has 8 divisors (see below), whose sum is σ = 310511136. Its totient is φ = 103503696.

The previous prime is 194069417. The next prime is 194069461. The reversal of 194069445 is 544960491.

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

It is not a de Polignac number, because 194069445 - 210 = 194068421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194069397 and 194069406.

It is a congruent number.

It is an unprimeable number.

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, 6468967 + ... + 6468996.

It is an arithmetic number, because the mean of its divisors is an integer number (38813892).

Almost surely, 2194069445 is an apocalyptic number.

194069445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194069445 is a deficient number, since it is larger than the sum of its proper divisors (116441691).

194069445 is a wasteful number, since it uses less digits than its factorization.

194069445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937971.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 194069445 is about 13930.8809843455. The cubic root of 194069445 is about 578.9651035969.

The spelling of 194069445 in words is "one hundred ninety-four million, sixty-nine thousand, four hundred forty-five".

Divisors: 1 3 5 15 12937963 38813889 64689815 194069445