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442541230 = 25132733349
BaseRepresentation
bin11010011000001…
…010010010101110
31010211201102102221
4122120022102232
51401242304410
6111525105554
713652352445
oct3230122256
91124642387
10442541230
1120789185a
121042582ba
13708b7a21
1442ab9d5c
1528cb84da
hex1a60a4ae

442541230 has 16 divisors (see below), whose sum is σ = 797198400. Its totient is φ = 176877792.

The previous prime is 442541221. The next prime is 442541233. The reversal of 442541230 is 32145244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442541195 and 442541204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442541233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405 + ... + 29944.

It is an arithmetic number, because the mean of its divisors is an integer number (49824900).

Almost surely, 2442541230 is an apocalyptic number.

442541230 is a deficient number, since it is larger than the sum of its proper divisors (354657170).

442541230 is a wasteful number, since it uses less digits than its factorization.

442541230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34683.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 442541230 is about 21036.6639465482. The cubic root of 442541230 is about 762.0519514138.

Adding to 442541230 its reverse (32145244), we get a palindrome (474686474).

The spelling of 442541230 in words is "four hundred forty-two million, five hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1327 2654 6635 13270 33349 66698 166745 333490 44254123 88508246 221270615 442541230