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442131110 = 2544213111
BaseRepresentation
bin11010010110100…
…110001010100110
31010210221120212022
4122112212022212
51401141143420
6111512223142
713646023661
oct3226461246
91123846768
10442131110
11207631713
1210409aab2
13707a3155
1442a106d8
1528c36c25
hex1a5a62a6

442131110 has 8 divisors (see below), whose sum is σ = 795836016. Its totient is φ = 176852440.

The previous prime is 442131103. The next prime is 442131113. The reversal of 442131110 is 11131244.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442131113) 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, 22106546 + ... + 22106565.

It is an arithmetic number, because the mean of its divisors is an integer number (99479502).

Almost surely, 2442131110 is an apocalyptic number.

442131110 is a deficient number, since it is larger than the sum of its proper divisors (353704906).

442131110 is a wasteful number, since it uses less digits than its factorization.

442131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44213118.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 442131110 is about 21026.9139438007. The cubic root of 442131110 is about 761.8164710259.

Adding to 442131110 its reverse (11131244), we get a palindrome (453262354).

The spelling of 442131110 in words is "four hundred forty-two million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 44213111 88426222 221065555 442131110