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140142041 = 1331347747
BaseRepresentation
bin10000101101001…
…10010111011001
3100202200221201222
420112212113121
5241334021131
621523421425
73321121244
oct1026462731
9322627658
10140142041
1172119876
123ab24875
1323059bb0
141488025b
15c48387b
hex85a65d9

140142041 has 8 divisors (see below), whose sum is σ = 155791104. Its totient is φ = 125188560.

The previous prime is 140142019. The next prime is 140142049. The reversal of 140142041 is 140241041.

140142041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140142041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140142049) 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, 173471 + ... + 174276.

It is an arithmetic number, because the mean of its divisors is an integer number (19473888).

Almost surely, 2140142041 is an apocalyptic number.

It is an amenable number.

140142041 is a deficient number, since it is larger than the sum of its proper divisors (15649063).

140142041 is a wasteful number, since it uses less digits than its factorization.

140142041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347791.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140142041 is about 11838.1603722876. The cubic root of 140142041 is about 519.4249572713.

Adding to 140142041 its reverse (140241041), we get a palindrome (280383082).

The spelling of 140142041 in words is "one hundred forty million, one hundred forty-two thousand, forty-one".

Divisors: 1 13 31 403 347747 4520711 10780157 140142041