Search a number
-
+
442129214 = 2832663429
BaseRepresentation
bin11010010110100…
…101101100111110
31010210221111021002
4122112211230332
51401141113324
6111512210302
713646015312
oct3226455476
91123844232
10442129214
1120763024a
12104099992
13707a2327
1442a0db42
1528c363ae
hex1a5a5b3e

442129214 has 8 divisors (see below), whose sum is σ = 671184360. Its totient is φ = 218401096.

The previous prime is 442129211. The next prime is 442129229. The reversal of 442129214 is 412921244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442129211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331549 + ... + 1331880.

It is an arithmetic number, because the mean of its divisors is an integer number (83898045).

Almost surely, 2442129214 is an apocalyptic number.

442129214 is a deficient number, since it is larger than the sum of its proper divisors (229055146).

442129214 is a wasteful number, since it uses less digits than its factorization.

442129214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663514.

The product of its digits is 4608, while the sum is 29.

The square root of 442129214 is about 21026.8688586770. The cubic root of 442129214 is about 761.8153820532.

The spelling of 442129214 in words is "four hundred forty-two million, one hundred twenty-nine thousand, two hundred fourteen".

Divisors: 1 2 83 166 2663429 5326858 221064607 442129214