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4431404542 = 219116615909
BaseRepresentation
bin1000010000010000…
…11101110111111110
3102102211110200020011
410020020131313332
533033414421132
62011420213434
7214546213525
oct41010356776
912384420204
104431404542
111974459904
12a3809a27a
1355810a386
143007714bc
151ae08db47
hex10821ddfe

4431404542 has 8 divisors (see below), whose sum is σ = 6996954600. Its totient is φ = 2099086344.

The previous prime is 4431404539. The next prime is 4431404557. The reversal of 4431404542 is 2454041344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58307917 + ... + 58307992.

It is an arithmetic number, because the mean of its divisors is an integer number (874619325).

Almost surely, 24431404542 is an apocalyptic number.

4431404542 is a deficient number, since it is larger than the sum of its proper divisors (2565550058).

4431404542 is a wasteful number, since it uses less digits than its factorization.

4431404542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116615930.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4431404542 is about 66568.7955576785. The cubic root of 4431404542 is about 1642.5318495045.

Adding to 4431404542 its reverse (2454041344), we get a palindrome (6885445886).

The spelling of 4431404542 in words is "four billion, four hundred thirty-one million, four hundred four thousand, five hundred forty-two".

Divisors: 1 2 19 38 116615909 233231818 2215702271 4431404542