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999007465 = 517109310753
BaseRepresentation
bin111011100010111…
…010010011101001
32120121210211121111
4323202322103221
54021221214330
6243044110321
733520265131
oct7342722351
92517724544
10999007465
11472a06105
1223a6953a1
1312bc804a1
149696dac1
155ca8732a
hex3b8ba4e9

999007465 has 16 divisors (see below), whose sum is σ = 1270606608. Its totient is φ = 751435776.

The previous prime is 999007459. The next prime is 999007469. The reversal of 999007465 is 564700999.

It can be written as a sum of positive squares in 8 ways, for example, as 400520169 + 598487296 = 20013^2 + 24464^2 .

It is a 6-Lehmer number, since φ(999007465) divides (999007465-1)6.

It is a cyclic number.

It is not a de Polignac number, because 999007465 - 211 = 999005417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999007469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87529 + ... + 98281.

It is an arithmetic number, because the mean of its divisors is an integer number (79412913).

Almost surely, 2999007465 is an apocalyptic number.

It is an amenable number.

999007465 is a deficient number, since it is larger than the sum of its proper divisors (271599143).

999007465 is a wasteful number, since it uses less digits than its factorization.

999007465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11868.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 999007465 is about 31607.0793494116. The cubic root of 999007465 is about 999.6690454812.

The spelling of 999007465 in words is "nine hundred ninety-nine million, seven thousand, four hundred sixty-five".

Divisors: 1 5 17 85 1093 5465 10753 18581 53765 92905 182801 914005 11753029 58765145 199801493 999007465