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440504141 = 7113125953
BaseRepresentation
bin11010010000011…
…000111101001101
31010200212221002012
4122100120331031
51400232113031
6111413311005
713626136430
oct3220307515
91120787065
10440504141
11206720310
12103635465
137035374c
1442709817
1528a14b2b
hex1a418f4d

440504141 has 24 divisors (see below), whose sum is σ = 567582912. Its totient is φ = 332121600.

The previous prime is 440504131. The next prime is 440504159. The reversal of 440504141 is 141405044.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-440504141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440504101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71021 + ... + 76973.

It is an arithmetic number, because the mean of its divisors is an integer number (23649288).

Almost surely, 2440504141 is an apocalyptic number.

It is an amenable number.

440504141 is a deficient number, since it is larger than the sum of its proper divisors (127078771).

440504141 is a wasteful number, since it uses less digits than its factorization.

440504141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033 (or 6002 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 440504141 is about 20988.1905127622. The cubic root of 440504141 is about 760.8808698017.

Adding to 440504141 its reverse (141405044), we get a palindrome (581909185).

The spelling of 440504141 in words is "four hundred forty million, five hundred four thousand, one hundred forty-one".

Divisors: 1 7 11 31 77 217 341 961 2387 5953 6727 10571 41671 65483 73997 184543 458381 1291801 2029973 5720833 14209811 40045831 62929163 440504141