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442131050 = 25261144961
BaseRepresentation
bin11010010110100…
…110001001101010
31010210221120210002
4122112212021222
51401141143200
6111512223002
713646023544
oct3226461152
91123846702
10442131050
11207631669
1210409aa62
13707a310a
1442a10694
1528c36bd5
hex1a5a626a

442131050 has 24 divisors (see below), whose sum is σ = 835850892. Its totient is φ = 173952000.

The previous prime is 442131043. The next prime is 442131089. The reversal of 442131050 is 50131244.

It can be written as a sum of positive squares in 6 ways, for example, as 58323769 + 383807281 = 7637^2 + 19591^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69431 + ... + 75530.

Almost surely, 2442131050 is an apocalyptic number.

442131050 is a deficient number, since it is larger than the sum of its proper divisors (393719842).

442131050 is a wasteful number, since it uses less digits than its factorization.

442131050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145034 (or 145029 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 442131050 is about 21026.9125170578. The cubic root of 442131050 is about 761.8164365648.

Adding to 442131050 its reverse (50131244), we get a palindrome (492262294).

The spelling of 442131050 in words is "four hundred forty-two million, one hundred thirty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 144961 289922 724805 1449610 3624025 7248050 8842621 17685242 44213105 88426210 221065525 442131050