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328580341 = 1811815361
BaseRepresentation
bin10011100101011…
…011110011110101
3211220021121111021
4103211123303311
51133104032331
652334341141
711066613115
oct2345336365
9756247437
10328580341
11159525301
129205a7b1
13530c684b
14318d3045
151dca7211
hex1395bcf5

328580341 has 4 divisors (see below), whose sum is σ = 330395884. Its totient is φ = 326764800.

The previous prime is 328580333. The next prime is 328580347. The reversal of 328580341 is 143085823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158382225 + 170198116 = 12585^2 + 13046^2 .

It is a cyclic number.

It is not a de Polignac number, because 328580341 - 23 = 328580333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328580297 and 328580306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328580347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907500 + ... + 907861.

It is an arithmetic number, because the mean of its divisors is an integer number (82598971).

Almost surely, 2328580341 is an apocalyptic number.

It is an amenable number.

328580341 is a deficient number, since it is larger than the sum of its proper divisors (1815543).

328580341 is a wasteful number, since it uses less digits than its factorization.

328580341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815542.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 328580341 is about 18126.7851810518. The cubic root of 328580341 is about 690.0499445749.

The spelling of 328580341 in words is "three hundred twenty-eight million, five hundred eighty thousand, three hundred forty-one".

Divisors: 1 181 1815361 328580341