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80444768 = 252513899
BaseRepresentation
bin1001100101101…
…11110101100000
312121101000110212
410302313311200
5131043213033
611552113252
71664524565
oct462676540
9177330425
1080444768
1141455388
1222b35828
1313887971
14a98086c
1570e0748
hex4cb7d60

80444768 has 12 divisors (see below), whose sum is σ = 158375700. Its totient is φ = 40222368.

The previous prime is 80444761. The next prime is 80444821. The reversal of 80444768 is 86744408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80444761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256918 + ... + 1256981.

It is an arithmetic number, because the mean of its divisors is an integer number (13197975).

Almost surely, 280444768 is an apocalyptic number.

It is an amenable number.

80444768 is a deficient number, since it is larger than the sum of its proper divisors (77930932).

80444768 is a wasteful number, since it uses less digits than its factorization.

80444768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513909 (or 2513901 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 80444768 is about 8969.1007353023. The cubic root of 80444768 is about 431.6839824170.

The spelling of 80444768 in words is "eighty million, four hundred forty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 2513899 5027798 10055596 20111192 40222384 80444768