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442110331 = 1339238669
BaseRepresentation
bin11010010110100…
…001000101111011
31010210220112100201
4122112201011323
51401140012311
6111511543031
713645606255
oct3226410573
91123815321
10442110331
11207618043
1210408aa77
1370796860
1442a06cd5
1528c309c1
hex1a5a117b

442110331 has 8 divisors (see below), whose sum is σ = 476295120. Its totient is φ = 407950752.

The previous prime is 442110329. The next prime is 442110349. The reversal of 442110331 is 133011244.

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

It is a cyclic number.

It is not a de Polignac number, because 442110331 - 21 = 442110329 is a prime.

It is a super-2 number, since 2×4421103312 = 390923089553859122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442110299 and 442110308.

It is not an unprimeable number, because it can be changed into a prime (442110631) 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, 46665 + ... + 55333.

It is an arithmetic number, because the mean of its divisors is an integer number (59536890).

Almost surely, 2442110331 is an apocalyptic number.

442110331 is a deficient number, since it is larger than the sum of its proper divisors (34184789).

442110331 is a wasteful number, since it uses less digits than its factorization.

442110331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 442110331 is about 21026.4198331528. The cubic root of 442110331 is about 761.8045363817.

Adding to 442110331 its reverse (133011244), we get a palindrome (575121575).

The spelling of 442110331 in words is "four hundred forty-two million, one hundred ten thousand, three hundred thirty-one".

Divisors: 1 13 3923 8669 50999 112697 34008487 442110331