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140597841 = 3243719231
BaseRepresentation
bin10000110000101…
…01101001010001
3100210120002222110
420120111221101
5241443112331
621541255533
73325030146
oct1030255121
9323502873
10140597841
117240026a
123b1045a9
13231894b7
141495c3cd
15c523946
hex8615a51

140597841 has 8 divisors (see below), whose sum is σ = 187550464. Its totient is φ = 93688560.

The previous prime is 140597833. The next prime is 140597843. The reversal of 140597841 is 148795041.

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

It is not a de Polignac number, because 140597841 - 23 = 140597833 is a prime.

It is a super-2 number, since 2×1405978412 = 39535505787722562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140597841.

It is not an unprimeable number, because it can be changed into a prime (140597843) 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, 2305 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (23443808).

Almost surely, 2140597841 is an apocalyptic number.

It is an amenable number.

140597841 is a deficient number, since it is larger than the sum of its proper divisors (46952623).

140597841 is a wasteful number, since it uses less digits than its factorization.

140597841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21671.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 140597841 is about 11857.3960463501. The cubic root of 140597841 is about 519.9874762763.

The spelling of 140597841 in words is "one hundred forty million, five hundred ninety-seven thousand, eight hundred forty-one".

Divisors: 1 3 2437 7311 19231 57693 46865947 140597841