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140113445 = 528022689
BaseRepresentation
bin10000101100111…
…11011000100101
3100202122111111212
420112133120211
5241332112240
621523041205
73320642003
oct1026373045
9322574455
10140113445
11720aa33a
123ab10205
1323049b84
1414873a73
15c47a165
hex859f625

140113445 has 4 divisors (see below), whose sum is σ = 168136140. Its totient is φ = 112090752.

The previous prime is 140113427. The next prime is 140113451. The reversal of 140113445 is 544311041.

140113445 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 an emirpimes, since its reverse is a distinct semiprime: 544311041 = 719757039.

It can be written as a sum of positive squares in 2 ways, for example, as 38950081 + 101163364 = 6241^2 + 10058^2 .

It is a cyclic number.

It is not a de Polignac number, because 140113445 - 26 = 140113381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140113445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14011340 + ... + 14011349.

It is an arithmetic number, because the mean of its divisors is an integer number (42034035).

Almost surely, 2140113445 is an apocalyptic number.

It is an amenable number.

140113445 is a deficient number, since it is larger than the sum of its proper divisors (28022695).

140113445 is an equidigital number, since it uses as much as digits as its factorization.

140113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022694.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140113445 is about 11836.9525216586. The cubic root of 140113445 is about 519.3896252934.

Adding to 140113445 its reverse (544311041), we get a palindrome (684424486).

The spelling of 140113445 in words is "one hundred forty million, one hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 28022689 140113445