Search a number
-
+
442042214 = 21131955939
BaseRepresentation
bin11010010110010…
…000011101100110
31010210210001220212
4122112100131212
51401130322324
6111510255422
713645203545
oct3226203546
91123701825
10442042214
11207580949
12104057572
1370771853
14429ca15c
1528c1a70e
hex1a590766

442042214 has 8 divisors (see below), whose sum is σ = 668931480. Its totient is φ = 219065056.

The previous prime is 442042213. The next prime is 442042217. The reversal of 442042214 is 412240244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 442042214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442042213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977744 + ... + 978195.

It is an arithmetic number, because the mean of its divisors is an integer number (83616435).

Almost surely, 2442042214 is an apocalyptic number.

442042214 is a deficient number, since it is larger than the sum of its proper divisors (226889266).

442042214 is a wasteful number, since it uses less digits than its factorization.

442042214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956054.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 442042214 is about 21024.7999752673. The cubic root of 442042214 is about 761.7654100210.

Adding to 442042214 its reverse (412240244), we get a palindrome (854282458).

The spelling of 442042214 in words is "four hundred forty-two million, forty-two thousand, two hundred fourteen".

Divisors: 1 2 113 226 1955939 3911878 221021107 442042214