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80343941 is a prime number
BaseRepresentation
bin1001100100111…
…11001110000101
312121011220011112
410302133032011
5131032001231
611550014405
71663624616
oct462371605
9177156145
1080343941
1141396657
1222aa7405
1313850ac2
14a955c0d
1570c092b
hex4c9f385

80343941 has 2 divisors, whose sum is σ = 80343942. Its totient is φ = 80343940.

The previous prime is 80343937. The next prime is 80343943. The reversal of 80343941 is 14934308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 5452225 = 8654^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 80343941 - 22 = 80343937 is a prime.

It is a super-2 number, since 2×803439412 = 12910297710822962, which contains 22 as substring.

Together with 80343943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80343898 and 80343907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80343943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40171970 + 40171971.

It is an arithmetic number, because the mean of its divisors is an integer number (40171971).

Almost surely, 280343941 is an apocalyptic number.

It is an amenable number.

80343941 is a deficient number, since it is larger than the sum of its proper divisors (1).

80343941 is an equidigital number, since it uses as much as digits as its factorization.

80343941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 80343941 is about 8963.4781753514. The cubic root of 80343941 is about 431.5035538691.

It can be divided in two parts, 803 and 43941, that added together give a palindrome (44744).

The spelling of 80343941 in words is "eighty million, three hundred forty-three thousand, nine hundred forty-one".