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3280008026 = 21640004013
BaseRepresentation
bin1100001110000000…
…1111001101011010
322110120220200010202
43003200033031122
523204140224101
61301245542202
7144165415421
oct30340171532
98416820122
103280008026
11143352a639
12776574962
13403702769
142318942b8
15142e5436b
hexc380f35a

3280008026 has 4 divisors (see below), whose sum is σ = 4920012042. Its totient is φ = 1640004012.

The previous prime is 3280008023. The next prime is 3280008107. The reversal of 3280008026 is 6208000823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3135888001 + 144120025 = 55999^2 + 12005^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3280008026.

It is not an unprimeable number, because it can be changed into a prime (3280008023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820002005 + ... + 820002008.

Almost surely, 23280008026 is an apocalyptic number.

3280008026 is a deficient number, since it is larger than the sum of its proper divisors (1640004016).

3280008026 is a wasteful number, since it uses less digits than its factorization.

3280008026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640004015.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3280008026 is about 57271.3543230820. The cubic root of 3280008026 is about 1485.7929801750.

Adding to 3280008026 its reverse (6208000823), we get a palindrome (9488008849).

The spelling of 3280008026 in words is "three billion, two hundred eighty million, eight thousand, twenty-six".

Divisors: 1 2 1640004013 3280008026