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80229493 is a prime number
BaseRepresentation
bin1001100100000…
…11010001110101
312120222002011201
410302003101311
5131014320433
611543332501
71662640141
oct462032165
9176862151
1080229493
1141318673
1222a51131
1313810996
14a926221
15709ba7d
hex4c83475

80229493 has 2 divisors, whose sum is σ = 80229494. Its totient is φ = 80229492.

The previous prime is 80229491. The next prime is 80229547. The reversal of 80229493 is 39492208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55249489 + 24980004 = 7433^2 + 4998^2 .

It is a cyclic number.

It is not a de Polignac number, because 80229493 - 21 = 80229491 is a prime.

Together with 80229491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80229491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40114746 + 40114747.

It is an arithmetic number, because the mean of its divisors is an integer number (40114747).

Almost surely, 280229493 is an apocalyptic number.

It is an amenable number.

80229493 is a deficient number, since it is larger than the sum of its proper divisors (1).

80229493 is an equidigital number, since it uses as much as digits as its factorization.

80229493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80229493 is about 8957.0917713285. The cubic root of 80229493 is about 431.2985677150.

The spelling of 80229493 in words is "eighty million, two hundred twenty-nine thousand, four hundred ninety-three".