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326980 = 22516349
BaseRepresentation
bin1001111110101000100
3121121112101
41033311010
540430410
611001444
72531203
oct1176504
9547471
10326980
11203735
12139284
13b5aa4
148723a
1566d3a
hex4fd44

326980 has 12 divisors (see below), whose sum is σ = 686700. Its totient is φ = 130784.

The previous prime is 326951. The next prime is 326983. The reversal of 326980 is 89623.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 244036 = 288^2 + 494^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (326983) 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, 8155 + ... + 8194.

It is an arithmetic number, because the mean of its divisors is an integer number (57225).

2326980 is an apocalyptic number.

It is an amenable number.

326980 is an abundant number, since it is smaller than the sum of its proper divisors (359720).

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

326980 is a wasteful number, since it uses less digits than its factorization.

326980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16358 (or 16356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 326980 is about 571.8216505170. The cubic root of 326980 is about 68.8927831459.

The spelling of 326980 in words is "three hundred twenty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 16349 32698 65396 81745 163490 326980