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869441345 = 53116633373
BaseRepresentation
bin110011110100101…
…001111101000001
32020121000012022022
4303310221331001
53240034110340
6222135051225
730355062263
oct6364517501
92217005268
10869441345
11406860173
12203210b15
1310b187346
1483683b33
15514e23b5
hex33d29f41

869441345 has 16 divisors (see below), whose sum is σ = 1077952512. Its totient is φ = 672511680.

The previous prime is 869441333. The next prime is 869441369. The reversal of 869441345 is 543144968.

It is not a de Polignac number, because 869441345 - 24 = 869441329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869441296 and 869441305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256079 + ... + 259451.

It is an arithmetic number, because the mean of its divisors is an integer number (67372032).

Almost surely, 2869441345 is an apocalyptic number.

It is an amenable number.

869441345 is a deficient number, since it is larger than the sum of its proper divisors (208511167).

869441345 is a wasteful number, since it uses less digits than its factorization.

869441345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its digits is 414720, while the sum is 44.

The square root of 869441345 is about 29486.2907975893. The cubic root of 869441345 is about 954.4358921030.

The spelling of 869441345 in words is "eight hundred sixty-nine million, four hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 31 155 1663 3373 8315 16865 51553 104563 257765 522815 5609299 28046495 173888269 869441345