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140340741 = 3371264331
BaseRepresentation
bin10000101110101…
…10111000000101
3100210002001022020
420113112320011
5241411400431
621531553353
73322606452
oct1027267005
9323061266
10140340741
1172245092
123abbb859
13230c9478
14148d2829
15c4c2696
hex85d6e05

140340741 has 8 divisors (see below), whose sum is σ = 192178464. Its totient is φ = 91031760.

The previous prime is 140340727. The next prime is 140340743. The reversal of 140340741 is 147043041.

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

It is not a de Polignac number, because 140340741 - 25 = 140340709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140340743) 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, 632055 + ... + 632276.

It is an arithmetic number, because the mean of its divisors is an integer number (24022308).

Almost surely, 2140340741 is an apocalyptic number.

It is an amenable number.

140340741 is a deficient number, since it is larger than the sum of its proper divisors (51837723).

140340741 is a wasteful number, since it uses less digits than its factorization.

140340741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264371.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 140340741 is about 11846.5497508768. The cubic root of 140340741 is about 519.6703297475.

Adding to 140340741 its reverse (147043041), we get a palindrome (287383782).

The spelling of 140340741 in words is "one hundred forty million, three hundred forty thousand, seven hundred forty-one".

Divisors: 1 3 37 111 1264331 3792993 46780247 140340741