Search a number
-
+
326090871 = 32220716417
BaseRepresentation
bin10011011011111…
…100000001110111
3211201121010120200
4103123330001313
51131434401441
652205131543
711036504151
oct2333740167
9751533520
10326090871
11158084997
1291259bb3
13527346a2
1431445ad1
151d9647b6
hex136fc077

326090871 has 12 divisors (see below), whose sum is σ = 471262272. Its totient is φ = 217282176.

The previous prime is 326090857. The next prime is 326090881. The reversal of 326090871 is 178090623.

It is not a de Polignac number, because 326090871 - 25 = 326090839 is a prime.

It is a super-2 number, since 2×3260908712 = 212670512299077282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326090881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11655 + ... + 28071.

It is an arithmetic number, because the mean of its divisors is an integer number (39271856).

Almost surely, 2326090871 is an apocalyptic number.

326090871 is a deficient number, since it is larger than the sum of its proper divisors (145171401).

326090871 is a wasteful number, since it uses less digits than its factorization.

326090871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630 (or 18627 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 326090871 is about 18057.9863495352. The cubic root of 326090871 is about 688.3028169136.

The spelling of 326090871 in words is "three hundred twenty-six million, ninety thousand, eight hundred seventy-one".

Divisors: 1 3 9 2207 6621 16417 19863 49251 147753 36232319 108696957 326090871