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143996401 is a prime number
BaseRepresentation
bin10001001010100…
…11010111110001
3101000221202221001
420211103113301
5243330341101
622142202001
73365643403
oct1045232761
9330852831
10143996401
117431169a
1240283301
1323aa9393
14151a4b73
15c995901
hex89535f1

143996401 has 2 divisors, whose sum is σ = 143996402. Its totient is φ = 143996400.

The previous prime is 143996357. The next prime is 143996423. The reversal of 143996401 is 104699341.

143996401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 64786401 = 8900^2 + 8049^2 .

It is a cyclic number.

It is not a de Polignac number, because 143996401 - 211 = 143994353 is a prime.

It is not a weakly prime, because it can be changed into another prime (143993401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71998200 + 71998201.

It is an arithmetic number, because the mean of its divisors is an integer number (71998201).

Almost surely, 2143996401 is an apocalyptic number.

It is an amenable number.

143996401 is a deficient number, since it is larger than the sum of its proper divisors (1).

143996401 is an equidigital number, since it uses as much as digits as its factorization.

143996401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 143996401 is about 11999.8500407297. The cubic root of 143996401 is about 524.1439121164.

The spelling of 143996401 in words is "one hundred forty-three million, nine hundred ninety-six thousand, four hundred one".