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3280465686 = 23618963021
BaseRepresentation
bin1100001110000111…
…1110111100010110
322110121202220221010
43003201332330112
523204244400221
61301303433050
7144202332621
oct30341767426
98417686833
103280465686
111433812473
12776755786
13403832b74
14231972db8
15142ee4c76
hexc387ef16

3280465686 has 16 divisors (see below), whose sum is σ = 6668488368. Its totient is φ = 1075562400.

The previous prime is 3280465679. The next prime is 3280465697. The reversal of 3280465686 is 6865640823.

It is a super-2 number, since 2×32804656862 = 21522910234046901192, which contains 22 as substring.

It is a congruent number.

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, 4481145 + ... + 4481876.

It is an arithmetic number, because the mean of its divisors is an integer number (416780523).

Almost surely, 23280465686 is an apocalyptic number.

3280465686 is an abundant number, since it is smaller than the sum of its proper divisors (3388022682).

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

3280465686 is a wasteful number, since it uses less digits than its factorization.

3280465686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963087.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 3280465686 is about 57275.3497239432. The cubic root of 3280465686 is about 1485.8620812652.

The spelling of 3280465686 in words is "three billion, two hundred eighty million, four hundred sixty-five thousand, six hundred eighty-six".

Divisors: 1 2 3 6 61 122 183 366 8963021 17926042 26889063 53778126 546744281 1093488562 1640232843 3280465686