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80801608 = 2310100201
BaseRepresentation
bin1001101000011…
…10111101001000
312122001010222011
410310032331020
5131141122413
612003505304
72000542126
oct464167510
9178033864
1080801608
1141679498
1223088234
1313981204
14aa34916
15716133d
hex4d0ef48

80801608 has 8 divisors (see below), whose sum is σ = 151503030. Its totient is φ = 40400800.

The previous prime is 80801603. The next prime is 80801647. The reversal of 80801608 is 80610808.

It can be written as a sum of positive squares in only one way, i.e., 43322724 + 37478884 = 6582^2 + 6122^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 80801608.

It is not an unprimeable number, because it can be changed into a prime (80801603) 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, 5050093 + ... + 5050108.

Almost surely, 280801608 is an apocalyptic number.

It is an amenable number.

80801608 is a deficient number, since it is larger than the sum of its proper divisors (70701422).

80801608 is a wasteful number, since it uses less digits than its factorization.

80801608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100207 (or 10100203 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 80801608 is about 8988.9714650787. The cubic root of 80801608 is about 432.3213344252.

The spelling of 80801608 in words is "eighty million, eight hundred one thousand, six hundred eight".

Divisors: 1 2 4 8 10100201 20200402 40400804 80801608