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80050549 is a prime number
BaseRepresentation
bin1001100010101…
…11100101110101
312120121222201011
410301113211311
5130443104144
611535432221
71661263345
oct461274565
9176558634
1080050549
1141206187
1222985671
131377a3b7
14a8bad25
157063a34
hex4c57975

80050549 has 2 divisors, whose sum is σ = 80050550. Its totient is φ = 80050548.

The previous prime is 80050547. The next prime is 80050561. The reversal of 80050549 is 94505008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57866449 + 22184100 = 7607^2 + 4710^2 .

It is a cyclic number.

It is not a de Polignac number, because 80050549 - 21 = 80050547 is a prime.

Together with 80050547, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80050549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80050547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40025274 + 40025275.

It is an arithmetic number, because the mean of its divisors is an integer number (40025275).

Almost surely, 280050549 is an apocalyptic number.

It is an amenable number.

80050549 is a deficient number, since it is larger than the sum of its proper divisors (1).

80050549 is an equidigital number, since it uses as much as digits as its factorization.

80050549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 80050549 is about 8947.0972387697. The cubic root of 80050549 is about 430.9776726644.

The spelling of 80050549 in words is "eighty million, fifty thousand, five hundred forty-nine".