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441055987 = 1923213473
BaseRepresentation
bin11010010010011…
…111101011110011
31010201220222001221
4122102133223303
51400402242422
6111433205511
713633625341
oct3222375363
91121828057
10441055987
11206a67989
12103860897
13704b7998
1442810991
1528ac33c7
hex1a49faf3

441055987 has 4 divisors (see below), whose sum is σ = 464269480. Its totient is φ = 417842496.

The previous prime is 441055969. The next prime is 441056009. The reversal of 441055987 is 789550144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-441055987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441055957) 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, 11606718 + ... + 11606755.

It is an arithmetic number, because the mean of its divisors is an integer number (116067370).

Almost surely, 2441055987 is an apocalyptic number.

441055987 is a deficient number, since it is larger than the sum of its proper divisors (23213493).

441055987 is a wasteful number, since it uses less digits than its factorization.

441055987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23213492.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 441055987 is about 21001.3329815038. The cubic root of 441055987 is about 761.1984709374.

The spelling of 441055987 in words is "four hundred forty-one million, fifty-five thousand, nine hundred eighty-seven".

Divisors: 1 19 23213473 441055987