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140443513 = 789225431
BaseRepresentation
bin10000101111011…
…11111101111001
3100210021021021121
420113233331321
5241423143023
621534105241
73323515210
oct1027577571
9323237247
10140443513
1172305321
123b04b221
1323134192
141491c077
15c4e2d5d
hex85eff79

140443513 has 8 divisors (see below), whose sum is σ = 162311040. Its totient is φ = 119027040.

The previous prime is 140443507. The next prime is 140443517. The reversal of 140443513 is 315344041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140443513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140443517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112093 + ... + 113338.

It is an arithmetic number, because the mean of its divisors is an integer number (20288880).

Almost surely, 2140443513 is an apocalyptic number.

It is an amenable number.

140443513 is a deficient number, since it is larger than the sum of its proper divisors (21867527).

140443513 is an equidigital number, since it uses as much as digits as its factorization.

140443513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225527.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140443513 is about 11850.8865913062. The cubic root of 140443513 is about 519.7971509096.

Adding to 140443513 its reverse (315344041), we get a palindrome (455787554).

The spelling of 140443513 in words is "one hundred forty million, four hundred forty-three thousand, five hundred thirteen".

Divisors: 1 7 89 623 225431 1578017 20063359 140443513