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140223243 = 3464310067
BaseRepresentation
bin10000101101110…
…10001100001011
3100202212002010110
420112322030023
5241344120433
621525245403
73321610056
oct1026721413
9322762113
10140223243
1172174886
123ab63863
1323087b44
14148a1a9d
15c49c963
hex85ba30b

140223243 has 8 divisors (see below), whose sum is σ = 187023168. Its totient is φ = 93452744.

The previous prime is 140223241. The next prime is 140223257. The reversal of 140223243 is 342322041.

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

It is a cyclic number.

It is not a de Polignac number, because 140223243 - 21 = 140223241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140223241) 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 7 ways as a sum of consecutive naturals, for example, 8896 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (23377896).

Almost surely, 2140223243 is an apocalyptic number.

140223243 is a deficient number, since it is larger than the sum of its proper divisors (46799925).

140223243 is a wasteful number, since it uses less digits than its factorization.

140223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14713.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140223243 is about 11841.5895470161. The cubic root of 140223243 is about 519.5252607474.

Adding to 140223243 its reverse (342322041), we get a palindrome (482545284).

The spelling of 140223243 in words is "one hundred forty million, two hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 3 4643 10067 13929 30201 46741081 140223243