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442433045 = 5140962801
BaseRepresentation
bin11010010111101…
…111111000010101
31010211111221001002
4122113233320111
51401230324140
6111522513045
713651422155
oct3227577025
91124457032
10442433045
1120781854a
12104205785
137087a702
1442a8c765
1528c96415
hex1a5efe15

442433045 has 8 divisors (see below), whose sum is σ = 531304920. Its totient is φ = 353689600.

The previous prime is 442433039. The next prime is 442433059. The reversal of 442433045 is 540334244.

It can be written as a sum of positive squares in 4 ways, for example, as 31114084 + 411318961 = 5578^2 + 20281^2 .

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

It is not a de Polignac number, because 442433045 - 212 = 442428949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442432999 and 442433017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24356 + ... + 38445.

It is an arithmetic number, because the mean of its divisors is an integer number (66413115).

Almost surely, 2442433045 is an apocalyptic number.

It is an amenable number.

442433045 is a deficient number, since it is larger than the sum of its proper divisors (88871875).

442433045 is a wasteful number, since it uses less digits than its factorization.

442433045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64215.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 442433045 is about 21034.0924453612. The cubic root of 442433045 is about 761.9898484926.

Adding to 442433045 its reverse (540334244), we get a palindrome (982767289).

The spelling of 442433045 in words is "four hundred forty-two million, four hundred thirty-three thousand, forty-five".

Divisors: 1 5 1409 7045 62801 314005 88486609 442433045