Search a number
-
+
441121439 = 112361101283
BaseRepresentation
bin11010010010101…
…111101010011111
31010202001021212002
4122102233222133
51400411341224
6111434432515
713634320223
oct3222575237
91122037762
10441121439
11207002080
1210389273b
137050b705
144282a783
1528ad79ae
hex1a4afa9f

441121439 has 32 divisors (see below), whose sum is σ = 517252608. Its totient is φ = 372240000.

The previous prime is 441121427. The next prime is 441121441. The reversal of 441121439 is 934121144.

It is a de Polignac number, because none of the positive numbers 2k-441121439 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441121459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558592 + ... + 1558874.

It is an arithmetic number, because the mean of its divisors is an integer number (16164144).

Almost surely, 2441121439 is an apocalyptic number.

441121439 is a deficient number, since it is larger than the sum of its proper divisors (76131169).

441121439 is a wasteful number, since it uses less digits than its factorization.

441121439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its digits is 3456, while the sum is 29.

The square root of 441121439 is about 21002.8912057364. The cubic root of 441121439 is about 761.2361226184.

The spelling of 441121439 in words is "four hundred forty-one million, one hundred twenty-one thousand, four hundred thirty-nine".

Divisors: 1 11 23 61 101 253 283 671 1111 1403 2323 3113 6161 6509 15433 17263 25553 28583 67771 71599 141703 189893 314413 397049 657409 1558733 1743563 4367539 7231499 19179193 40101949 441121439