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2886240872 = 23360780109
BaseRepresentation
bin1010110000001000…
…1000101001101000
321110010222020011002
42230002020221220
521402334201442
61154222054132
7131344433264
oct25402105150
97403866132
102886240872
111251231539
1268671a348
1336cc64148
141d54730a4
1511d5c2732
hexac088a68

2886240872 has 8 divisors (see below), whose sum is σ = 5411701650. Its totient is φ = 1443120432.

The previous prime is 2886240853. The next prime is 2886240901. The reversal of 2886240872 is 2780426882.

It can be written as a sum of positive squares in only one way, i.e., 1853646916 + 1032593956 = 43054^2 + 32134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180390047 + ... + 180390062.

Almost surely, 22886240872 is an apocalyptic number.

It is an amenable number.

2886240872 is a deficient number, since it is larger than the sum of its proper divisors (2525460778).

2886240872 is a wasteful number, since it uses less digits than its factorization.

2886240872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360780115 (or 360780111 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 2886240872 is about 53723.7458857813. The cubic root of 2886240872 is about 1423.7842709115.

The spelling of 2886240872 in words is "two billion, eight hundred eighty-six million, two hundred forty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 360780109 721560218 1443120436 2886240872