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80501323 = 711500189
BaseRepresentation
bin1001100110001…
…01101001001011
312121110220001111
410303011221023
5131102020243
611553231151
71665151510
oct463055113
9177426044
1080501323
1141493921
1222b624b7
13138a7626
14a997307
15710239d
hex4cc5a4b

80501323 has 4 divisors (see below), whose sum is σ = 92001520. Its totient is φ = 69001128.

The previous prime is 80501287. The next prime is 80501339. The reversal of 80501323 is 32310508.

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

It is not a de Polignac number, because 80501323 - 29 = 80500811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80501294 and 80501303.

It is not an unprimeable number, because it can be changed into a prime (80501383) 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 3 ways as a sum of consecutive naturals, for example, 5750088 + ... + 5750101.

It is an arithmetic number, because the mean of its divisors is an integer number (23000380).

Almost surely, 280501323 is an apocalyptic number.

80501323 is a deficient number, since it is larger than the sum of its proper divisors (11500197).

80501323 is a wasteful number, since it uses less digits than its factorization.

80501323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500196.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 80501323 is about 8972.2529500678. The cubic root of 80501323 is about 431.7851208305.

The spelling of 80501323 in words is "eighty million, five hundred one thousand, three hundred twenty-three".

Divisors: 1 7 11500189 80501323