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16030655 = 523139397
BaseRepresentation
bin111101001001…
…101110111111
31010011102220222
4331021232333
513100440110
61331331555
7253154414
oct75115677
933142828
1016030655
11905a083
125450bbb
1334237c4
1421b410b
151619c55
hexf49bbf

16030655 has 8 divisors (see below), whose sum is σ = 20073312. Its totient is φ = 12266848.

The previous prime is 16030607. The next prime is 16030667. The reversal of 16030655 is 55603061.

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

It is a cyclic number.

It is not a de Polignac number, because 16030655 - 212 = 16026559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69584 + ... + 69813.

It is an arithmetic number, because the mean of its divisors is an integer number (2509164).

Almost surely, 216030655 is an apocalyptic number.

16030655 is a deficient number, since it is larger than the sum of its proper divisors (4042657).

16030655 is a wasteful number, since it uses less digits than its factorization.

16030655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139425.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 16030655 is about 4003.8300413479. The cubic root of 16030655 is about 252.1450359776.

The spelling of 16030655 in words is "sixteen million, thirty thousand, six hundred fifty-five".

Divisors: 1 5 23 115 139397 696985 3206131 16030655