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143270399 is a prime number
BaseRepresentation
bin10001000101000…
…10000111111111
3100222120220001002
420202202013333
5243134123044
622114440515
73356530646
oct1042420777
9328526032
10143270399
1173966198
123bb9313b
13238b3aac
141505635d
15c8a074e
hex88a21ff

143270399 has 2 divisors, whose sum is σ = 143270400. Its totient is φ = 143270398.

The previous prime is 143270389. The next prime is 143270447. The reversal of 143270399 is 993072341.

143270399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143270399 - 28 = 143270143 is a prime.

It is a Sophie Germain prime.

It is equal to p8086493 and since 143270399 and 8086493 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143270389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71635199 + 71635200.

It is an arithmetic number, because the mean of its divisors is an integer number (71635200).

Almost surely, 2143270399 is an apocalyptic number.

143270399 is a deficient number, since it is larger than the sum of its proper divisors (1).

143270399 is an equidigital number, since it uses as much as digits as its factorization.

143270399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 143270399 is about 11969.5613537005. The cubic root of 143270399 is about 523.2615501455.

The spelling of 143270399 in words is "one hundred forty-three million, two hundred seventy thousand, three hundred ninety-nine".