Search a number
-
+
442534053 = 313233071607
BaseRepresentation
bin11010011000001…
…000100010100101
31010211201001121010
4122120020202211
51401242042203
6111525012433
713652322513
oct3230104245
91124631533
10442534053
11207887425
12104254119
13708b4690
1442ab74b3
1528cb6303
hex1a6088a5

442534053 has 32 divisors (see below), whose sum is σ = 665634816. Its totient is φ = 259478208.

The previous prime is 442534051. The next prime is 442534061. The reversal of 442534053 is 350435244.

It is not a de Polignac number, because 442534053 - 21 = 442534051 is a prime.

It is a super-3 number, since 3×4425340533 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442534053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442534051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274576 + ... + 276182.

It is an arithmetic number, because the mean of its divisors is an integer number (20801088).

Almost surely, 2442534053 is an apocalyptic number.

It is an amenable number.

442534053 is a deficient number, since it is larger than the sum of its proper divisors (223100763).

442534053 is a wasteful number, since it uses less digits than its factorization.

442534053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 442534053 is about 21036.4933627256. The cubic root of 442534053 is about 762.0478318154.

Adding to 442534053 its reverse (350435244), we get a palindrome (792969297).

The spelling of 442534053 in words is "four hundred forty-two million, five hundred thirty-four thousand, fifty-three".

Divisors: 1 3 13 23 39 69 299 307 897 921 1607 3991 4821 7061 11973 20891 21183 36961 62673 91793 110883 275379 480493 493349 1441479 1480047 6413537 11347027 19240611 34041081 147511351 442534053