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480527991 = 3337481009
BaseRepresentation
bin11100101001000…
…100011001110111
31020111012100111000
4130221010121313
51441003343431
6115403214343
714623264146
oct3451043167
91214170430
10480527991
11227277879
12114b173b3
13787280b8
1447b6775d
152c2bd9e6
hex1ca44677

480527991 has 16 divisors (see below), whose sum is σ = 731135200. Its totient is φ = 311693184.

The previous prime is 480527987. The next prime is 480528017. The reversal of 480527991 is 199725084.

It is not a de Polignac number, because 480527991 - 22 = 480527987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480527921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239506 + ... + 241503.

It is an arithmetic number, because the mean of its divisors is an integer number (45695950).

Almost surely, 2480527991 is an apocalyptic number.

480527991 is a deficient number, since it is larger than the sum of its proper divisors (250607209).

480527991 is a wasteful number, since it uses less digits than its factorization.

480527991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481055 (or 481049 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 480527991 is about 21920.9486792885. The cubic root of 480527991 is about 783.2605084353.

The spelling of 480527991 in words is "four hundred eighty million, five hundred twenty-seven thousand, nine hundred ninety-one".

Divisors: 1 3 9 27 37 111 333 999 481009 1443027 4329081 12987243 17797333 53391999 160175997 480527991