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10143438 = 231690573
BaseRepresentation
bin100110101100…
…011011001110
3201002100011220
4212230123032
510044042223
61001224210
7152134464
oct46543316
921070156
1010143438
1157a8a08
123492066
132141c46
1414c0834
15d556e3
hex9ac6ce

10143438 has 8 divisors (see below), whose sum is σ = 20286888. Its totient is φ = 3381144.

The previous prime is 10143433. The next prime is 10143443. The reversal of 10143438 is 83434101.

It is an interprime number because it is at equal distance from previous prime (10143433) and next prime (10143443).

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

10143438 is an admirable number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143433) 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 in 3 ways as a sum of consecutive naturals, for example, 845281 + ... + 845292.

It is an arithmetic number, because the mean of its divisors is an integer number (2535861).

Almost surely, 210143438 is an apocalyptic number.

10143438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10143438 is a wasteful number, since it uses less digits than its factorization.

10143438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690578.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10143438 is about 3184.8764497230. The cubic root of 10143438 is about 216.4686754083.

Adding to 10143438 its reverse (83434101), we get a palindrome (93577539).

The spelling of 10143438 in words is "ten million, one hundred forty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 1690573 3381146 5071719 10143438