Search a number
-
+
326090420 = 22516304521
BaseRepresentation
bin10011011011111…
…011111010110100
3211201121002221222
4103123323322310
51131434343140
652205125512
711036502635
oct2333737264
9751532858
10326090420
11158084617
1291259898
1352734416
143144588c
151d9645b5
hex136fbeb4

326090420 has 12 divisors (see below), whose sum is σ = 684789924. Its totient is φ = 130436160.

The previous prime is 326090419. The next prime is 326090441. The reversal of 326090420 is 24090623.

It can be written as a sum of positive squares in 2 ways, for example, as 77334436 + 248755984 = 8794^2 + 15772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 326090420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8152241 + ... + 8152280.

It is an arithmetic number, because the mean of its divisors is an integer number (57065827).

Almost surely, 2326090420 is an apocalyptic number.

It is an amenable number.

326090420 is an abundant number, since it is smaller than the sum of its proper divisors (358699504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326090420 is a wasteful number, since it uses less digits than its factorization.

326090420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16304530 (or 16304528 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 326090420 is about 18057.9738619813. The cubic root of 326090420 is about 688.3024995943.

The spelling of 326090420 in words is "three hundred twenty-six million, ninety thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 16304521 32609042 65218084 81522605 163045210 326090420