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328516 = 2282129
BaseRepresentation
bin1010000001101000100
3121200122021
41100031010
541003031
611012524
72535526
oct1201504
9550567
10328516
11204901
1213a144
13b66b6
1487a16
1567511
hex50344

328516 has 6 divisors (see below), whose sum is σ = 574910. Its totient is φ = 164256.

The previous prime is 328513. The next prime is 328519. The reversal of 328516 is 615823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328513) and next prime (328519).

It can be written as a sum of positive squares in only one way, i.e., 198916 + 129600 = 446^2 + 360^2 .

It is not an unprimeable number, because it can be changed into a prime (328511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41061 + ... + 41068.

328516 is a Friedman number, since it can be written as 6+(8^2+5)^3+1, using all its digits and the basic arithmetic operations.

2328516 is an apocalyptic number.

328516 is the 363-rd centered pentagonal number.

It is an amenable number.

328516 is a deficient number, since it is larger than the sum of its proper divisors (246394).

328516 is a wasteful number, since it uses less digits than its factorization.

328516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82133 (or 82131 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 328516 is about 573.1631530376. The cubic root of 328516 is about 69.0004900896. Note that the first 3 decimals are identical.

The spelling of 328516 in words is "three hundred twenty-eight thousand, five hundred sixteen".

Divisors: 1 2 4 82129 164258 328516