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BaseRepresentation
bin1001100010101…
…11000110000001
312120121212220202
410301113012001
5130443023023
611535414545
71661254406
oct461270601
9176555822
1080048513
11412046a6
1222984455
13137794ac
157063128
hex4c57181

80048513 has 2 divisors, whose sum is σ = 80048514. Its totient is φ = 80048512.

The previous prime is 80048489. The next prime is 80048543. The reversal of 80048513 is 31584008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52243984 + 27804529 = 7228^2 + 5273^2 .

It is a cyclic number.

It is not a de Polignac number, because 80048513 - 214 = 80032129 is a prime.

It is a super-2 number, since 2×800485132 = 12815528867022338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80048543) by changing a digit.

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, 40024256 + 40024257.

It is an arithmetic number, because the mean of its divisors is an integer number (40024257).

Almost surely, 280048513 is an apocalyptic number.

It is an amenable number.

80048513 is a deficient number, since it is larger than the sum of its proper divisors (1).

80048513 is an equidigital number, since it uses as much as digits as its factorization.

80048513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80048513 is about 8946.9834581271. The cubic root of 80048513 is about 430.9740188149.

The spelling of 80048513 in words is "eighty million, forty-eight thousand, five hundred thirteen".