Search a number
-
+
442053001 = 1347723491
BaseRepresentation
bin11010010110010…
…011000110001001
31010210210121201101
4122112103012021
51401131144001
6111510421401
713645250155
oct3226230611
91123717641
10442053001
11207588a65
12104061861
1370776730
14429d0065
1528c1da01
hex1a593189

442053001 has 8 divisors (see below), whose sum is σ = 486186624. Its totient is φ = 399366480.

The previous prime is 442052983. The next prime is 442053011. The reversal of 442053001 is 100350244.

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

It is a cyclic number.

It is not a de Polignac number, because 442053001 - 27 = 442052873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442053001.

It is not an unprimeable number, because it can be changed into a prime (442053011) 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, 361135 + ... + 362356.

It is an arithmetic number, because the mean of its divisors is an integer number (60773328).

Almost surely, 2442053001 is an apocalyptic number.

It is an amenable number.

442053001 is a deficient number, since it is larger than the sum of its proper divisors (44133623).

442053001 is a wasteful number, since it uses less digits than its factorization.

442053001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723551.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 442053001 is about 21025.0565040858. The cubic root of 442053001 is about 761.7716063347.

The spelling of 442053001 in words is "four hundred forty-two million, fifty-three thousand, one".

Divisors: 1 13 47 611 723491 9405383 34004077 442053001