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80433901 is a prime number
BaseRepresentation
bin1001100101101…
…01001011101101
312121100110120101
410302311023231
5131042341101
611551551101
71664451112
oct462651355
9177313511
1080433901
11414481a9
1222b2b491
1313882a32
14a97a909
1570dc401
hex4cb52ed

80433901 has 2 divisors, whose sum is σ = 80433902. Its totient is φ = 80433900.

The previous prime is 80433863. The next prime is 80433911. The reversal of 80433901 is 10933408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66031876 + 14402025 = 8126^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 80433901 - 217 = 80302829 is a prime.

It is a super-2 number, since 2×804339012 = 12939224860155602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80433901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80433911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40216950 + 40216951.

It is an arithmetic number, because the mean of its divisors is an integer number (40216951).

Almost surely, 280433901 is an apocalyptic number.

It is an amenable number.

80433901 is a deficient number, since it is larger than the sum of its proper divisors (1).

80433901 is an equidigital number, since it uses as much as digits as its factorization.

80433901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80433901 is about 8968.4949127487. The cubic root of 80433901 is about 431.6645433194.

The spelling of 80433901 in words is "eighty million, four hundred thirty-three thousand, nine hundred one".