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468521992 = 23233251353
BaseRepresentation
bin11011111011010…
…001010000001000
31012122121101100101
4123323101100020
51424420200432
6114254015144
714416241221
oct3373212010
91178541311
10468521992
11220517564
12110aa74b4
13760b3463
1446320248
152b1eb4e7
hex1bed1408

468521992 has 16 divisors (see below), whose sum is σ = 882252540. Its totient is φ = 233254656.

The previous prime is 468521959. The next prime is 468521993. The reversal of 468521992 is 299125864.

It can be written as a sum of positive squares in 2 ways, for example, as 342768196 + 125753796 = 18514^2 + 11214^2 .

It is not an unprimeable number, because it can be changed into a prime (468521993) by changing a digit.

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, 123813 + ... + 127540.

Almost surely, 2468521992 is an apocalyptic number.

It is an amenable number.

468521992 is a deficient number, since it is larger than the sum of its proper divisors (413730548).

468521992 is a wasteful number, since it uses less digits than its factorization.

468521992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251592 (or 251588 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 468521992 is about 21645.3688349263. The cubic root of 468521992 is about 776.6821551513.

The spelling of 468521992 in words is "four hundred sixty-eight million, five hundred twenty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 233 466 932 1864 251353 502706 1005412 2010824 58565249 117130498 234260996 468521992