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140744143 = 1631994339
BaseRepresentation
bin10000110001110…
…01010111001111
3100210211112200001
420120321113033
5242012303033
621544345131
73326206531
oct1030712717
9323745601
10140744143
11724a0181
123b1751a7
132320ac77
1414999851
15c551e7d
hex86395cf

140744143 has 8 divisors (see below), whose sum is σ = 142352000. Its totient is φ = 139145688.

The previous prime is 140744119. The next prime is 140744161. The reversal of 140744143 is 341447041.

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 140744143 - 25 = 140744111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140744113) 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, 30268 + ... + 34606.

It is an arithmetic number, because the mean of its divisors is an integer number (17794000).

Almost surely, 2140744143 is an apocalyptic number.

140744143 is a deficient number, since it is larger than the sum of its proper divisors (1607857).

140744143 is a wasteful number, since it uses less digits than its factorization.

140744143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140744143 is about 11863.5636720169. The cubic root of 140744143 is about 520.1677750046.

The spelling of 140744143 in words is "one hundred forty million, seven hundred forty-four thousand, one hundred forty-three".

Divisors: 1 163 199 4339 32437 707257 863461 140744143