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143103434 = 271551717
BaseRepresentation
bin10001000011110…
…01010111001010
3100222021102000012
420201321113022
5243113302214
622111111522
73355234115
oct1041712712
9328242005
10143103434
1173861801
123bb125a2
1323855ab6
141501157c
15c86b03e
hex88795ca

143103434 has 4 divisors (see below), whose sum is σ = 214655154. Its totient is φ = 71551716.

The previous prime is 143103431. The next prime is 143103437. The reversal of 143103434 is 434301341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434301341 = 2318882667.

It is an interprime number because it is at equal distance from previous prime (143103431) and next prime (143103437).

It can be written as a sum of positive squares in only one way, i.e., 134676025 + 8427409 = 11605^2 + 2903^2 .

It is not an unprimeable number, because it can be changed into a prime (143103431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35775857 + ... + 35775860.

Almost surely, 2143103434 is an apocalyptic number.

143103434 is a deficient number, since it is larger than the sum of its proper divisors (71551720).

143103434 is an equidigital number, since it uses as much as digits as its factorization.

143103434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71551719.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 143103434 is about 11962.5847541407. The cubic root of 143103434 is about 523.0582042909.

Adding to 143103434 its reverse (434301341), we get a palindrome (577404775).

The spelling of 143103434 in words is "one hundred forty-three million, one hundred three thousand, four hundred thirty-four".

Divisors: 1 2 71551717 143103434