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140411217 = 346803739
BaseRepresentation
bin10000101111010…
…00000101010001
3100210012121222110
420113220011101
5241421124332
621533255533
73323322102
oct1027500521
9323177873
10140411217
1172293031
123b0345a9
132312257b
14149103a9
15c4d84cc
hex85e8151

140411217 has 4 divisors (see below), whose sum is σ = 187214960. Its totient is φ = 93607476.

The previous prime is 140411191. The next prime is 140411221. The reversal of 140411217 is 712114041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140411217 - 28 = 140410961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140411193 and 140411202.

It is not an unprimeable number, because it can be changed into a prime (140411237) 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 3 ways as a sum of consecutive naturals, for example, 23401867 + ... + 23401872.

It is an arithmetic number, because the mean of its divisors is an integer number (46803740).

Almost surely, 2140411217 is an apocalyptic number.

It is an amenable number.

140411217 is a deficient number, since it is larger than the sum of its proper divisors (46803743).

140411217 is an equidigital number, since it uses as much as digits as its factorization.

140411217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46803742.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 140411217 is about 11849.5239144870. The cubic root of 140411217 is about 519.7573041523.

Adding to 140411217 its reverse (712114041), we get a palindrome (852525258).

It can be divided in two parts, 1404 and 11217, that added together give a palindrome (12621).

The spelling of 140411217 in words is "one hundred forty million, four hundred eleven thousand, two hundred seventeen".

Divisors: 1 3 46803739 140411217