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140220107 = 1093893307
BaseRepresentation
bin10000101101110…
…01011011001011
3100202211220211022
420112321123023
5241344020412
621525223055
73321564656
oct1026713313
9322756738
10140220107
1172172495
123ab61a8b
13230865a1
14148a089d
15c49ba72
hex85b96cb

140220107 has 8 divisors (see below), whose sum is σ = 141913200. Its totient is φ = 138534624.

The previous prime is 140220103. The next prime is 140220137. The reversal of 140220107 is 701022041.

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 140220107 - 22 = 140220103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140220103) 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, 40748 + ... + 44054.

It is an arithmetic number, because the mean of its divisors is an integer number (17739150).

Almost surely, 2140220107 is an apocalyptic number.

140220107 is a deficient number, since it is larger than the sum of its proper divisors (1693093).

140220107 is a wasteful number, since it uses less digits than its factorization.

140220107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 140220107 is about 11841.4571316202. The cubic root of 140220107 is about 519.5213877724.

Adding to 140220107 its reverse (701022041), we get a palindrome (841242148).

The spelling of 140220107 in words is "one hundred forty million, two hundred twenty thousand, one hundred seven".

Divisors: 1 109 389 3307 42401 360463 1286423 140220107