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3280097 = 13732389
BaseRepresentation
bin1100100000110011100001
320011122110002
430200303201
51314430342
6154145345
736610652
oct14406341
96148402
103280097
111940427
121122255
138aacb2
14615529
1544bd32
hex320ce1

3280097 has 4 divisors (see below), whose sum is σ = 3283860. Its totient is φ = 3276336.

The previous prime is 3280073. The next prime is 3280111. The reversal of 3280097 is 7900823.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 1018081 = 1504^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 3280097 - 26 = 3280033 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3280037) 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, 179 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (820965).

Almost surely, 23280097 is an apocalyptic number.

It is an amenable number.

3280097 is a deficient number, since it is larger than the sum of its proper divisors (3763).

3280097 is a wasteful number, since it uses less digits than its factorization.

3280097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3280097 is about 1811.1038070746. The cubic root of 3280097 is about 148.5806414669.

The spelling of 3280097 in words is "three million, two hundred eighty thousand, ninety-seven".

Divisors: 1 1373 2389 3280097