Search a number
-
+
409105193 = 7257227407
BaseRepresentation
bin11000011000100…
…111001100101001
31001111210200211012
4120120213030221
51314212331233
6104332313305
713065223340
oct3030471451
91044720735
10409105193
1119aa24872
12b5012835
13669abaa3
143c494b57
1525db1548
hex18627329

409105193 has 8 divisors (see below), whose sum is σ = 469370112. Its totient is φ = 349295616.

The previous prime is 409105183. The next prime is 409105201. The reversal of 409105193 is 391501904.

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 409105193 - 28 = 409104937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (409105183) 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, 111905 + ... + 115502.

It is an arithmetic number, because the mean of its divisors is an integer number (58671264).

Almost surely, 2409105193 is an apocalyptic number.

It is an amenable number.

409105193 is a deficient number, since it is larger than the sum of its proper divisors (60264919).

409105193 is a wasteful number, since it uses less digits than its factorization.

409105193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227671.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 409105193 is about 20226.3489784983. The cubic root of 409105193 is about 742.3550446167.

The spelling of 409105193 in words is "four hundred nine million, one hundred five thousand, one hundred ninety-three".

Divisors: 1 7 257 1799 227407 1591849 58443599 409105193