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868057472 = 276781699
BaseRepresentation
bin110011101111011…
…000000110000000
32020111101212222202
4303233120012000
53234210314342
6222045252332
730340236542
oct6357300600
92214355882
10868057472
11405aa5477
122028640a8
1310aac1499
1483403692
155131c332
hex33bd8180

868057472 has 16 divisors (see below), whose sum is σ = 1729333500. Its totient is φ = 434028672.

The previous prime is 868057471. The next prime is 868057507. The reversal of 868057472 is 274750868.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868057471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390722 + ... + 3390977.

Almost surely, 2868057472 is an apocalyptic number.

It is an amenable number.

868057472 is a deficient number, since it is larger than the sum of its proper divisors (861276028).

868057472 is an equidigital number, since it uses as much as digits as its factorization.

868057472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781713 (or 6781701 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 868057472 is about 29462.8150725622. The cubic root of 868057472 is about 953.9292374706.

The spelling of 868057472 in words is "eight hundred sixty-eight million, fifty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 6781699 13563398 27126796 54253592 108507184 217014368 434028736 868057472