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468581813 = 7496713477
BaseRepresentation
bin11011111011011…
…111110110110101
31012122201102101222
4123323133312311
51424424104223
6114255200125
714416610510
oct3373376665
91178642358
10468581813
112205584a7
12110b16045
137610475b
1446337d77
152b20e0c8
hex1bedfdb5

468581813 has 8 divisors (see below), whose sum is σ = 535669632. Its totient is φ = 401530896.

The previous prime is 468581803. The next prime is 468581849. The reversal of 468581813 is 318185864.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 468581813 - 214 = 468565429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468581803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28031 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (66958704).

Almost surely, 2468581813 is an apocalyptic number.

It is an amenable number.

468581813 is a deficient number, since it is larger than the sum of its proper divisors (67087819).

468581813 is a wasteful number, since it uses less digits than its factorization.

468581813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451.

The product of its digits is 184320, while the sum is 44.

The square root of 468581813 is about 21646.7506337556. The cubic root of 468581813 is about 776.7152093990.

The spelling of 468581813 in words is "four hundred sixty-eight million, five hundred eighty-one thousand, eight hundred thirteen".

Divisors: 1 7 4967 13477 34769 94339 66940259 468581813