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9490143 = 313435659
BaseRepresentation
bin100100001100…
…111011011111
3122212011000210
4210030323133
54412141033
6535223503
7143444025
oct44147337
918764023
109490143
1153a20a3
123217b93
131c73790
141390715
15c76d63
hex90cedf

9490143 has 16 divisors (see below), whose sum is σ = 13946240. Its totient is φ = 5703264.

The previous prime is 9490087. The next prime is 9490153. The reversal of 9490143 is 3410949.

9490143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9490143 - 29 = 9489631 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9490143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9490153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (871640).

Almost surely, 29490143 is an apocalyptic number.

9490143 is a deficient number, since it is larger than the sum of its proper divisors (4456097).

9490143 is a wasteful number, since it uses less digits than its factorization.

9490143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 9490143 is about 3080.6075699446. The cubic root of 9490143 is about 211.7179038410.

The spelling of 9490143 in words is "nine million, four hundred ninety thousand, one hundred forty-three".

Divisors: 1 3 13 39 43 129 559 1677 5659 16977 73567 220701 243337 730011 3163381 9490143