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140411215 = 572573107
BaseRepresentation
bin10000101111010…
…00000101001111
3100210012121222101
420113220011033
5241421124330
621533255531
73323322100
oct1027500517
9323177871
10140411215
117229302a
123b0345a7
1323122579
14149103a7
15c4d84ca
hex85e814f

140411215 has 12 divisors (see below), whose sum is σ = 196002936. Its totient is φ = 96281808.

The previous prime is 140411191. The next prime is 140411221. The reversal of 140411215 is 512114041.

It is not a de Polignac number, because 140411215 - 27 = 140411087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140411192 and 140411201.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 286309 + ... + 286798.

It is an arithmetic number, because the mean of its divisors is an integer number (16333578).

Almost surely, 2140411215 is an apocalyptic number.

140411215 is a deficient number, since it is larger than the sum of its proper divisors (55591721).

140411215 is an equidigital number, since it uses as much as digits as its factorization.

140411215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573126 (or 573119 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 140411215 is about 11849.5238300955. The cubic root of 140411215 is about 519.7573016845.

Adding to 140411215 its reverse (512114041), we get a palindrome (652525256).

The spelling of 140411215 in words is "one hundred forty million, four hundred eleven thousand, two hundred fifteen".

Divisors: 1 5 7 35 49 245 573107 2865535 4011749 20058745 28082243 140411215