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468509979 = 37100922111
BaseRepresentation
bin11011111011001…
…110010100011011
31012122120202212110
4123323032110123
51424414304404
6114253443403
714416161210
oct3373162433
91178522773
10468509979
11220509533
12110aa0563
13760aab52
1446319b07
152b1e7b89
hex1bece51b

468509979 has 16 divisors (see below), whose sum is σ = 714659840. Its totient is φ = 267442560.

The previous prime is 468509971. The next prime is 468510001. The reversal of 468509979 is 979905864.

It is not a de Polignac number, because 468509979 - 23 = 468509971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468509971) 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, 10134 + ... + 32244.

It is an arithmetic number, because the mean of its divisors is an integer number (44666240).

Almost surely, 2468509979 is an apocalyptic number.

468509979 is a deficient number, since it is larger than the sum of its proper divisors (246149861).

468509979 is a wasteful number, since it uses less digits than its factorization.

468509979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 468509979 is about 21645.0913372986. The cubic root of 468509979 is about 776.6755169980.

The spelling of 468509979 in words is "four hundred sixty-eight million, five hundred nine thousand, nine hundred seventy-nine".

Divisors: 1 3 7 21 1009 3027 7063 21189 22111 66333 154777 464331 22309999 66929997 156169993 468509979