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16742670 = 2357611307
BaseRepresentation
bin111111110111…
…100100001110
31011111121121220
4333313210032
513241231140
61354504210
7262211310
oct77674416
934447556
1016742670
1194a601a
125735066
133612909
14231b7b0
15170abd0
hexff790e

16742670 has 64 divisors (see below), whose sum is σ = 46711296. Its totient is φ = 3761280.

The previous prime is 16742659. The next prime is 16742699. The reversal of 16742670 is 7624761.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12157 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (729864).

Almost surely, 216742670 is an apocalyptic number.

16742670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16742670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23355648).

16742670 is an abundant number, since it is smaller than the sum of its proper divisors (29968626).

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

16742670 is a wasteful number, since it uses less digits than its factorization.

16742670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 16742670 is about 4091.7807859171. The cubic root of 16742670 is about 255.8241692179.

The spelling of 16742670 in words is "sixteen million, seven hundred forty-two thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 61 70 105 122 183 210 305 366 427 610 854 915 1281 1307 1830 2135 2562 2614 3921 4270 6405 6535 7842 9149 12810 13070 18298 19605 27447 39210 45745 54894 79727 91490 137235 159454 239181 274470 398635 478362 558089 797270 1116178 1195905 1674267 2391810 2790445 3348534 5580890 8371335 16742670