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140144043 = 3138394283
BaseRepresentation
bin10000101101001…
…10110110101011
3100202201001111010
420112212312223
5241334102133
621523435003
73321130134
oct1026466653
9322631433
10140144043
1172120326
123ab25a63
132305aa90
1414880c8b
15c484263
hex85a6dab

140144043 has 16 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 86119584.

The previous prime is 140144041. The next prime is 140144047. The reversal of 140144043 is 340441041.

It is not a de Polignac number, because 140144043 - 21 = 140144041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140144041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30580 + ... + 34862.

It is an arithmetic number, because the mean of its divisors is an integer number (12594960).

Almost surely, 2140144043 is an apocalyptic number.

140144043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140144043 is a deficient number, since it is larger than the sum of its proper divisors (61375317).

140144043 is a wasteful number, since it uses less digits than its factorization.

140144043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140144043 is about 11838.2449290425. The cubic root of 140144043 is about 519.4274306757.

Adding to 140144043 its reverse (340441041), we get a palindrome (480585084).

The spelling of 140144043 in words is "one hundred forty million, one hundred forty-four thousand, forty-three".

Divisors: 1 3 13 39 839 2517 4283 10907 12849 32721 55679 167037 3593437 10780311 46714681 140144043