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16442085 = 351129059
BaseRepresentation
bin111110101110…
…001011100101
31010221100022010
4332232023211
513202121320
61344224433
7256520052
oct76561345
933840263
1016442085
119310200
12560b119
133538b5a
142280029
15169bae0
hexfae2e5

16442085 has 24 divisors (see below), whose sum is σ = 28919520. Its totient is φ = 7971040.

The previous prime is 16442071. The next prime is 16442099. The reversal of 16442085 is 58024461.

It is an interprime number because it is at equal distance from previous prime (16442071) and next prime (16442099).

It is not a de Polignac number, because 16442085 - 25 = 16442053 is a prime.

It is a super-3 number, since 3×164420853 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2715 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (1204980).

Almost surely, 216442085 is an apocalyptic number.

16442085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16442085 is a deficient number, since it is larger than the sum of its proper divisors (12477435).

16442085 is a wasteful number, since it uses less digits than its factorization.

16442085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089 (or 9078 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 16442085 is about 4054.8840920549. The cubic root of 16442085 is about 254.2839581672.

The spelling of 16442085 in words is "sixteen million, four hundred forty-two thousand, eighty-five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 9059 27177 45295 99649 135885 298947 498245 1096139 1494735 3288417 5480695 16442085