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80343937 is a prime number
BaseRepresentation
bin1001100100111…
…11001110000001
312121011220011101
410302133032001
5131032001222
611550014401
71663624612
oct462371601
9177156141
1080343937
1141396653
1222aa7401
1313850abb
14a955c09
1570c0927
hex4c9f381

80343937 has 2 divisors, whose sum is σ = 80343938. Its totient is φ = 80343936.

The previous prime is 80343911. The next prime is 80343941. The reversal of 80343937 is 73934308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78925456 + 1418481 = 8884^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 80343937 - 211 = 80341889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80343896 and 80343905.

It is not a weakly prime, because it can be changed into another prime (80343997) 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 as a sum of consecutive naturals, namely, 40171968 + 40171969.

It is an arithmetic number, because the mean of its divisors is an integer number (40171969).

Almost surely, 280343937 is an apocalyptic number.

It is an amenable number.

80343937 is a deficient number, since it is larger than the sum of its proper divisors (1).

80343937 is an equidigital number, since it uses as much as digits as its factorization.

80343937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 80343937 is about 8963.4779522237. The cubic root of 80343937 is about 431.5035467082.

The spelling of 80343937 in words is "eighty million, three hundred forty-three thousand, nine hundred thirty-seven".