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140743 = 172487
BaseRepresentation
bin100010010111000111
321011001201
4202113013
514000433
63003331
71124221
oct422707
9234051
10140743
1196819
1269547
134c0a5
1439411
152ba7d
hex225c7

140743 has 6 divisors (see below), whose sum is σ = 149816. Its totient is φ = 132192.

The previous prime is 140741. The next prime is 140759. The reversal of 140743 is 347041.

It is a happy number.

140743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140743 - 21 = 140741 is a prime.

It is a Duffinian number.

140743 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 140743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46 + ... + 532.

2140743 is an apocalyptic number.

140743 is a deficient number, since it is larger than the sum of its proper divisors (9073).

140743 is an equidigital number, since it uses as much as digits as its factorization.

140743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 140743 is about 375.1573003421. The cubic root of 140743 is about 52.0166366886.

Adding to 140743 its reverse (347041), we get a palindrome (487784).

The spelling of 140743 in words is "one hundred forty thousand, seven hundred forty-three", and thus it is an iban number.

Divisors: 1 17 289 487 8279 140743