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868054853 = 3472501599
BaseRepresentation
bin110011101111010…
…111011101000101
32020111101202101202
4303233113131011
53234210223403
6222045232245
730340226111
oct6357273505
92214352352
10868054853
11405aa3506
12202862685
1310aac0233
1483402741
155131b688
hex33bd7745

868054853 has 4 divisors (see below), whose sum is σ = 870556800. Its totient is φ = 865552908.

The previous prime is 868054849. The next prime is 868054877. The reversal of 868054853 is 358450868.

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 868054853 - 22 = 868054849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868054798 and 868054807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898054853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250453 + ... + 1251146.

It is an arithmetic number, because the mean of its divisors is an integer number (217639200).

Almost surely, 2868054853 is an apocalyptic number.

It is an amenable number.

868054853 is a deficient number, since it is larger than the sum of its proper divisors (2501947).

868054853 is a wasteful number, since it uses less digits than its factorization.

868054853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501946.

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 868054853 is about 29462.7706266739. The cubic root of 868054853 is about 953.9282781089.

The spelling of 868054853 in words is "eight hundred sixty-eight million, fifty-four thousand, eight hundred fifty-three".

Divisors: 1 347 2501599 868054853