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3280028817 = 313250333601
BaseRepresentation
bin1100001110000001…
…0100010010010001
322110120221201122210
43003200110102101
523204141410232
61301250222333
7144165533142
oct30340242221
98416851583
103280028817
11143354421a
127765849a9
1340370c070
1423189bac9
15142e5a5cc
hexc3814491

3280028817 has 16 divisors (see below), whose sum is σ = 4711806848. Its totient is φ = 2017612800.

The previous prime is 3280028813. The next prime is 3280028849. The reversal of 3280028817 is 7188200823.

It is not a de Polignac number, because 3280028817 - 22 = 3280028813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280028813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80817 + ... + 114417.

It is an arithmetic number, because the mean of its divisors is an integer number (294487928).

Almost surely, 23280028817 is an apocalyptic number.

It is an amenable number.

3280028817 is a deficient number, since it is larger than the sum of its proper divisors (1431778031).

3280028817 is a wasteful number, since it uses less digits than its factorization.

3280028817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36120.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 3280028817 is about 57271.5358358757. The cubic root of 3280028817 is about 1485.7961195023.

The spelling of 3280028817 in words is "three billion, two hundred eighty million, twenty-eight thousand, eight hundred seventeen".

Divisors: 1 3 13 39 2503 7509 32539 33601 97617 100803 436813 1310439 84103303 252309909 1093342939 3280028817