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80506483 = 521154523
BaseRepresentation
bin1001100110001…
…10111001110011
312121111011010121
410303012321303
5131102201413
611553311111
71665202531
oct463067163
9177434117
1080506483
1141497792
1222b65497
13138a9a95
14a999151
157103b8d
hex4cc6e73

80506483 has 4 divisors (see below), whose sum is σ = 80661528. Its totient is φ = 80351440.

The previous prime is 80506469. The next prime is 80506499. The reversal of 80506483 is 38460508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80506483 - 213 = 80498291 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (80506453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76741 + ... + 77782.

It is an arithmetic number, because the mean of its divisors is an integer number (20165382).

Almost surely, 280506483 is an apocalyptic number.

80506483 is a deficient number, since it is larger than the sum of its proper divisors (155045).

80506483 is a wasteful number, since it uses less digits than its factorization.

80506483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155044.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 80506483 is about 8972.5404986548. The cubic root of 80506483 is about 431.7943462012.

The spelling of 80506483 in words is "eighty million, five hundred six thousand, four hundred eighty-three".

Divisors: 1 521 154523 80506483