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219207068 = 2254801767
BaseRepresentation
bin11010001000011…
…01010110011100
3120021110212120022
431010031112130
5422104111233
633430211312
75301141443
oct1504152634
9507425508
10219207068
11102811573
12614b3b38
1336550832
1421181d5a
15143a0398
hexd10d59c

219207068 has 6 divisors (see below), whose sum is σ = 383612376. Its totient is φ = 109603532.

The previous prime is 219207041. The next prime is 219207083. The reversal of 219207068 is 860702912.

It is a happy number.

It is a super-2 number, since 2×2192070682 = 96103477322313248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27400880 + ... + 27400887.

It is an arithmetic number, because the mean of its divisors is an integer number (63935396).

Almost surely, 2219207068 is an apocalyptic number.

It is an amenable number.

219207068 is a deficient number, since it is larger than the sum of its proper divisors (164405308).

219207068 is a wasteful number, since it uses less digits than its factorization.

219207068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54801771 (or 54801769 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 219207068 is about 14805.6431133538. The cubic root of 219207068 is about 602.9549308237.

The spelling of 219207068 in words is "two hundred nineteen million, two hundred seven thousand, sixty-eight".

Divisors: 1 2 4 54801767 109603534 219207068