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140543223 = 3454710303
BaseRepresentation
bin10000110000010…
…00010011110111
3100210110100001120
420120020103313
5241434340343
621540155023
73324412002
oct1030102367
9323410046
10140543223
1172373227
123b098a73
132316a692
1414946539
15c512683
hex86084f7

140543223 has 8 divisors (see below), whose sum is σ = 187450368. Its totient is φ = 93665784.

The previous prime is 140543213. The next prime is 140543237. The reversal of 140543223 is 322345041.

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

It is not a de Polignac number, because 140543223 - 26 = 140543159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140543193 and 140543202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8490 + ... + 18792.

It is an arithmetic number, because the mean of its divisors is an integer number (23431296).

Almost surely, 2140543223 is an apocalyptic number.

140543223 is a deficient number, since it is larger than the sum of its proper divisors (46907145).

140543223 is a wasteful number, since it uses less digits than its factorization.

140543223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140543223 is about 11855.0927031382. The cubic root of 140543223 is about 519.9201344305.

Adding to 140543223 its reverse (322345041), we get a palindrome (462888264).

The spelling of 140543223 in words is "one hundred forty million, five hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 3 4547 10303 13641 30909 46847741 140543223