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140223 = 3431087
BaseRepresentation
bin100010001110111111
321010100110
4202032333
513441343
63001103
71122546
oct421677
9233313
10140223
1196396
1269193
134ba95
143915d
152b833
hex223bf

140223 has 8 divisors (see below), whose sum is σ = 191488. Its totient is φ = 91224.

The previous prime is 140221. The next prime is 140227. The reversal of 140223 is 322041.

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

It is not a de Polignac number, because 140223 - 21 = 140221 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 140199 and 140208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (23936).

2140223 is an apocalyptic number.

140223 is a deficient number, since it is larger than the sum of its proper divisors (51265).

140223 is a wasteful number, since it uses less digits than its factorization.

140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140223 is about 374.4636163902. The cubic root of 140223 is about 51.9524960643.

Adding to 140223 its reverse (322041), we get a palindrome (462264).

It can be divided in two parts, 140 and 223, that added together give a palindrome (363).

The spelling of 140223 in words is "one hundred forty thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 3 43 129 1087 3261 46741 140223