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80023837 is a prime number
BaseRepresentation
bin1001100010100…
…01000100011101
312120120122001211
410301101010131
5130441230322
611535104421
71661122435
oct461210435
9176518054
1080023837
1141198103
1222972111
131376b1aa
14a8b12c5
15705ab77
hex4c5111d

80023837 has 2 divisors, whose sum is σ = 80023838. Its totient is φ = 80023836.

The previous prime is 80023819. The next prime is 80023849. The reversal of 80023837 is 73832008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77633721 + 2390116 = 8811^2 + 1546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80023837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80023799 and 80023808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80023897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40011918 + 40011919.

It is an arithmetic number, because the mean of its divisors is an integer number (40011919).

Almost surely, 280023837 is an apocalyptic number.

It is an amenable number.

80023837 is a deficient number, since it is larger than the sum of its proper divisors (1).

80023837 is an equidigital number, since it uses as much as digits as its factorization.

80023837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 80023837 is about 8945.6043395625. The cubic root of 80023837 is about 430.9297298063.

The spelling of 80023837 in words is "eighty million, twenty-three thousand, eight hundred thirty-seven".