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80352449 is a prime number
BaseRepresentation
bin1001100101000…
…01010011000001
312121012022211122
410302201103001
5131032234244
611550122025
71663661462
oct462412301
9177168748
1080352449
11413a1a91
1222ab0315
1313854938
14a958d69
1570c31ee
hex4ca14c1

80352449 has 2 divisors, whose sum is σ = 80352450. Its totient is φ = 80352448.

The previous prime is 80352439. The next prime is 80352451. The reversal of 80352449 is 94425308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61905424 + 18447025 = 7868^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 80352449 - 212 = 80348353 is a prime.

Together with 80352451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80352439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40176224 + 40176225.

It is an arithmetic number, because the mean of its divisors is an integer number (40176225).

Almost surely, 280352449 is an apocalyptic number.

It is an amenable number.

80352449 is a deficient number, since it is larger than the sum of its proper divisors (1).

80352449 is an equidigital number, since it uses as much as digits as its factorization.

80352449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 80352449 is about 8963.9527553418. The cubic root of 80352449 is about 431.5187846490.

The spelling of 80352449 in words is "eighty million, three hundred fifty-two thousand, four hundred forty-nine".