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143297099 = 1171183479
BaseRepresentation
bin10001000101010…
…00101001001011
3100222122020122222
420202220221023
5243141001344
622115204255
73360001541
oct1042505113
9328566588
10143297099
1173984260
123bba668b
13238c2caa
1415061d91
15c8a85ee
hex88a8a4b

143297099 has 8 divisors (see below), whose sum is σ = 158526720. Its totient is φ = 128434600.

The previous prime is 143297071. The next prime is 143297137. The reversal of 143297099 is 990792341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143297099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143297699) 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 in 7 ways as a sum of consecutive naturals, for example, 90959 + ... + 92520.

It is an arithmetic number, because the mean of its divisors is an integer number (19815840).

Almost surely, 2143297099 is an apocalyptic number.

143297099 is a deficient number, since it is larger than the sum of its proper divisors (15229621).

143297099 is a wasteful number, since it uses less digits than its factorization.

143297099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183561.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 143297099 is about 11970.6766308342. The cubic root of 143297099 is about 523.2940532903.

The spelling of 143297099 in words is "one hundred forty-three million, two hundred ninety-seven thousand, ninety-nine".

Divisors: 1 11 71 781 183479 2018269 13027009 143297099