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802664969 = 5913604491
BaseRepresentation
bin101111110101111…
…011001000001001
32001221100121100012
4233311323020021
53120440234334
6211351521305
725614353051
oct5765731011
92057317305
10802664969
113820a1087
121a4989235
13ca3a6bb2
1478860561
154a7019ce
hex2fd7b209

802664969 has 4 divisors (see below), whose sum is σ = 816269520. Its totient is φ = 789060420.

The previous prime is 802664957. The next prime is 802664977. The reversal of 802664969 is 969466208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 802664969 - 220 = 801616393 is a prime.

It is a super-2 number, since 2×8026649692 = 1288542104919541922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (802664999) 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 3 ways as a sum of consecutive naturals, for example, 6802187 + ... + 6802304.

It is an arithmetic number, because the mean of its divisors is an integer number (204067380).

Almost surely, 2802664969 is an apocalyptic number.

It is an amenable number.

802664969 is a deficient number, since it is larger than the sum of its proper divisors (13604551).

802664969 is a wasteful number, since it uses less digits than its factorization.

802664969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604550.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 802664969 is about 28331.3425202548. The cubic root of 802664969 is about 929.3474317530.

The spelling of 802664969 in words is "eight hundred two million, six hundred sixty-four thousand, nine hundred sixty-nine".

Divisors: 1 59 13604491 802664969