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442914288 = 2439227381
BaseRepresentation
bin11010011001100…
…101010111110000
31010212102101011220
4122121211113300
51401341224123
6111541105040
713655465205
oct3231452760
91125371156
10442914288
11208017073
121043b8180
13709b877b
1442b75cac
1528d3dce3
hex1a6655f0

442914288 has 20 divisors (see below), whose sum is σ = 1144195368. Its totient is φ = 147638080.

The previous prime is 442914247. The next prime is 442914299. The reversal of 442914288 is 882419244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613643 + ... + 4613738.

Almost surely, 2442914288 is an apocalyptic number.

442914288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

442914288 is an abundant number, since it is smaller than the sum of its proper divisors (701281080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442914288 is a wasteful number, since it uses less digits than its factorization.

442914288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227392 (or 9227386 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 442914288 is about 21045.5289313431. The cubic root of 442914288 is about 762.2660254258.

The spelling of 442914288 in words is "four hundred forty-two million, nine hundred fourteen thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 9227381 18454762 27682143 36909524 55364286 73819048 110728572 147638096 221457144 442914288