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143304434 = 27132513137
BaseRepresentation
bin10001000101010…
…10011011110010
3100222122121201122
420202222123302
5243141220214
622115302242
73360032120
oct1042523362
9328577648
10143304434
1173989819
123bbaa982
13238c6430
1415064910
15c8aa88e
hex88aa6f2

143304434 has 32 divisors (see below), whose sum is σ = 265700736. Its totient is φ = 56448000.

The previous prime is 143304391. The next prime is 143304449. The reversal of 143304434 is 434403341.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 44114 + ... + 47250.

It is an arithmetic number, because the mean of its divisors is an integer number (8303148).

Almost surely, 2143304434 is an apocalyptic number.

143304434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143304434 is a deficient number, since it is larger than the sum of its proper divisors (122396302).

143304434 is a wasteful number, since it uses less digits than its factorization.

143304434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 143304434 is about 11970.9830005727. The cubic root of 143304434 is about 523.3029818181.

Adding to 143304434 its reverse (434403341), we get a palindrome (577707775).

The spelling of 143304434 in words is "one hundred forty-three million, three hundred four thousand, four hundred thirty-four".

Divisors: 1 2 7 13 14 26 91 182 251 502 1757 3137 3263 3514 6274 6526 21959 22841 40781 43918 45682 81562 285467 570934 787387 1574774 5511709 10236031 11023418 20472062 71652217 143304434