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140780341 = 1315976781
BaseRepresentation
bin10000110010000…
…10001100110101
3100210220101022201
420121002030311
5242014432331
621545224501
73326420212
oct1031021465
9323811281
10140780341
1172515399
123b192131
13232215a0
14149a8b09
15c55ca61
hex8642335

140780341 has 8 divisors (see below), whose sum is σ = 151726904. Its totient is φ = 129850560.

The previous prime is 140780303. The next prime is 140780351. The reversal of 140780341 is 143087041.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 140778225 = 46^2 + 11865^2 .

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 140780341 - 29 = 140779829 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 (140780351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17371 + ... + 24151.

It is an arithmetic number, because the mean of its divisors is an integer number (18965863).

Almost surely, 2140780341 is an apocalyptic number.

It is an amenable number.

140780341 is a deficient number, since it is larger than the sum of its proper divisors (10946563).

140780341 is a wasteful number, since it uses less digits than its factorization.

140780341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140780341 is about 11865.0891694922. The cubic root of 140780341 is about 520.2123651825.

The spelling of 140780341 in words is "one hundred forty million, seven hundred eighty thousand, three hundred forty-one".

Divisors: 1 13 1597 6781 20761 88153 10829257 140780341