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442200216 = 23318425009
BaseRepresentation
bin11010010110110…
…111000010011000
31010211002002122210
4122112313002120
51401200401331
6111513515120
713646432313
oct3226670230
91124062583
10442200216
11207679627
12104112aa0
13707c8743
1442a2b97a
1528c4c446
hex1a5b7098

442200216 has 16 divisors (see below), whose sum is σ = 1105500600. Its totient is φ = 147400064.

The previous prime is 442200193. The next prime is 442200217. The reversal of 442200216 is 612002244.

It is a junction number, because it is equal to n+sod(n) for n = 442200192 and 442200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442200217) 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, 9212481 + ... + 9212528.

Almost surely, 2442200216 is an apocalyptic number.

It is an amenable number.

442200216 is an abundant number, since it is smaller than the sum of its proper divisors (663300384).

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

442200216 is a wasteful number, since it uses less digits than its factorization.

442200216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425018 (or 18425014 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442200216 is about 21028.5571544983. The cubic root of 442200216 is about 761.8561601175.

The spelling of 442200216 in words is "four hundred forty-two million, two hundred thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 18425009 36850018 55275027 73700036 110550054 147400072 221100108 442200216