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3280805060 = 2251312618481
BaseRepresentation
bin1100001110001101…
…0001110011000100
322110122102011110112
43003203101303010
523204341230220
61301315012152
7144205245221
oct30343216304
98418364415
103280805060
111433a24445
1277689a058
13403921490
14231a20948
151430605c5
hexc38d1cc4

3280805060 has 24 divisors (see below), whose sum is σ = 7419667416. Its totient is φ = 1211374080.

The previous prime is 3280805057. The next prime is 3280805083. The reversal of 3280805060 is 605080823.

It can be written as a sum of positive squares in 4 ways, for example, as 11710084 + 3269094976 = 3422^2 + 57176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308981 + ... + 6309500.

It is an arithmetic number, because the mean of its divisors is an integer number (309152809).

Almost surely, 23280805060 is an apocalyptic number.

It is an amenable number.

3280805060 is an abundant number, since it is smaller than the sum of its proper divisors (4138862356).

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

3280805060 is a wasteful number, since it uses less digits than its factorization.

3280805060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618503 (or 12618501 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3280805060 is about 57278.3123005558. The cubic root of 3280805060 is about 1485.9133184591.

Adding to 3280805060 its reverse (605080823), we get a palindrome (3885885883).

The spelling of 3280805060 in words is "three billion, two hundred eighty million, eight hundred five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 12618481 25236962 50473924 63092405 126184810 164040253 252369620 328080506 656161012 820201265 1640402530 3280805060