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481331688 = 23320055487
BaseRepresentation
bin11100101100001…
…000100111101000
31020112201011221120
4130230020213220
51441210103223
6115432335240
714633152245
oct3454104750
91215634846
10481331688
11227776692
12115244520
1378949b66
1447cd65cc
152c3cbbe3
hex1cb089e8

481331688 has 16 divisors (see below), whose sum is σ = 1203329280. Its totient is φ = 160443888.

The previous prime is 481331657. The next prime is 481331701. The reversal of 481331688 is 886133184.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10027720 + ... + 10027767.

It is an arithmetic number, because the mean of its divisors is an integer number (75208080).

Almost surely, 2481331688 is an apocalyptic number.

It is an amenable number.

481331688 is an abundant number, since it is smaller than the sum of its proper divisors (721997592).

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

481331688 is a wasteful number, since it uses less digits than its factorization.

481331688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055496 (or 20055492 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 481331688 is about 21939.2727317931. The cubic root of 481331688 is about 783.6969405154.

The spelling of 481331688 in words is "four hundred eighty-one million, three hundred thirty-one thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 20055487 40110974 60166461 80221948 120332922 160443896 240665844 481331688