Search a number
-
+
409968271 = 7111714931
BaseRepresentation
bin11000011011111…
…001111010001111
31001120102112202001
4120123321322033
51314422441041
6104403013131
713105446526
oct3033717217
91046375661
10409968271
111a0464259
12b536a1a7
1366c2189b
143c63b4bd
1525ed2131
hex186f9e8f

409968271 has 8 divisors (see below), whose sum is σ = 416181888. Its totient is φ = 403767000.

The previous prime is 409968259. The next prime is 409968281. The reversal of 409968271 is 172869904.

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 409968271 - 25 = 409968239 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 (409968241) 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, 80676 + ... + 85606.

It is an arithmetic number, because the mean of its divisors is an integer number (52022736).

Almost surely, 2409968271 is an apocalyptic number.

409968271 is a deficient number, since it is larger than the sum of its proper divisors (6213617).

409968271 is a wasteful number, since it uses less digits than its factorization.

409968271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 409968271 is about 20247.6732243485. The cubic root of 409968271 is about 742.8767199564.

The spelling of 409968271 in words is "four hundred nine million, nine hundred sixty-eight thousand, two hundred seventy-one".

Divisors: 1 71 1171 4931 83141 350101 5774201 409968271