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140430513 = 346810171
BaseRepresentation
bin10000101111011…
…00110010110001
3100210020121110010
420113230302301
5241422234023
621533525133
73323432256
oct1027546261
9323217403
10140430513
11722a6583
123b0437a9
132312b2a2
141491742d
15c4de093
hex85eccb1

140430513 has 4 divisors (see below), whose sum is σ = 187240688. Its totient is φ = 93620340.

The previous prime is 140430497. The next prime is 140430529. The reversal of 140430513 is 315034041.

140430513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (140430497) and next prime (140430529).

It is not a de Polignac number, because 140430513 - 24 = 140430497 is a prime.

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 140430513.

It is not an unprimeable number, because it can be changed into a prime (140430533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23405083 + ... + 23405088.

It is an arithmetic number, because the mean of its divisors is an integer number (46810172).

Almost surely, 2140430513 is an apocalyptic number.

It is an amenable number.

140430513 is a deficient number, since it is larger than the sum of its proper divisors (46810175).

140430513 is an equidigital number, since it uses as much as digits as its factorization.

140430513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46810174.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140430513 is about 11850.3380964426. The cubic root of 140430513 is about 519.7811122633.

Adding to 140430513 its reverse (315034041), we get a palindrome (455464554).

The spelling of 140430513 in words is "one hundred forty million, four hundred thirty thousand, five hundred thirteen".

Divisors: 1 3 46810171 140430513