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80267053 = 418921997
BaseRepresentation
bin1001100100011…
…00011100101101
312121000222200211
410302030130231
5131022021203
611544222421
71663154506
oct462143455
9177028624
1080267053
1141343909
1222a6aa11
1313824ac9
14a935bad
1570a7c6d
hex4c8c72d

80267053 has 8 divisors (see below), whose sum is σ = 83152440. Its totient is φ = 77425920.

The previous prime is 80267051. The next prime is 80267071. The reversal of 80267053 is 35076208.

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 80227849 = 198^2 + 8957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80267053 - 21 = 80267051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80267051) 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 in 7 ways as a sum of consecutive naturals, for example, 7350 + ... + 14647.

It is an arithmetic number, because the mean of its divisors is an integer number (10394055).

Almost surely, 280267053 is an apocalyptic number.

It is an amenable number.

80267053 is a deficient number, since it is larger than the sum of its proper divisors (2885387).

80267053 is a wasteful number, since it uses less digits than its factorization.

80267053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22127.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 80267053 is about 8959.1881886698. The cubic root of 80267053 is about 431.3658623647.

The spelling of 80267053 in words is "eighty million, two hundred sixty-seven thousand, fifty-three".

Divisors: 1 41 89 3649 21997 901877 1957733 80267053