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140443103 = 178261359
BaseRepresentation
bin10000101111011…
…11110111011111
3100210021020201102
420113233313133
5241423134403
621534103315
73323514053
oct1027576737
9323236642
10140443103
1172304a89
123b04ab3b
1323133c38
141491bc63
15c4e2b88
hex85efddf

140443103 has 4 divisors (see below), whose sum is σ = 148704480. Its totient is φ = 132181728.

The previous prime is 140443091. The next prime is 140443123. The reversal of 140443103 is 301344041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301344041 = 397759053.

It is a cyclic number.

It is not a de Polignac number, because 140443103 - 210 = 140442079 is a prime.

It is a super-3 number, since 3×1404431033 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140443123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130663 + ... + 4130696.

It is an arithmetic number, because the mean of its divisors is an integer number (37176120).

Almost surely, 2140443103 is an apocalyptic number.

140443103 is a deficient number, since it is larger than the sum of its proper divisors (8261377).

140443103 is an equidigital number, since it uses as much as digits as its factorization.

140443103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261376.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140443103 is about 11850.8692930097. The cubic root of 140443103 is about 519.7966450905.

Adding to 140443103 its reverse (301344041), we get a palindrome (441787144).

The spelling of 140443103 in words is "one hundred forty million, four hundred forty-three thousand, one hundred three".

Divisors: 1 17 8261359 140443103