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140224441 = 7123116273
BaseRepresentation
bin10000101101110…
…10011110111001
3100202212010202211
420112322132321
5241344140231
621525255121
73321613420
oct1026723671
9322763684
10140224441
1172175775
123ab644a1
1323088556
14148a22b7
15c49ceb1
hex85ba7b9

140224441 has 8 divisors (see below), whose sum is σ = 160396544. Its totient is φ = 120087360.

The previous prime is 140224397. The next prime is 140224457. The reversal of 140224441 is 144422041.

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-140224441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140224471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (20049568).

Almost surely, 2140224441 is an apocalyptic number.

It is an amenable number.

140224441 is a deficient number, since it is larger than the sum of its proper divisors (20172103).

140224441 is a wasteful number, since it uses less digits than its factorization.

140224441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 140224441 is about 11841.6401313332. The cubic root of 140224441 is about 519.5267402679.

Adding to 140224441 its reverse (144422041), we get a palindrome (284646482).

The spelling of 140224441 in words is "one hundred forty million, two hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 7 1231 8617 16273 113911 20032063 140224441