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16139760 = 2435713739
BaseRepresentation
bin111101100100…
…010111110000
31010100222120220
4331210113300
513112433020
61333533040
7254120460
oct75442760
933328526
1016139760
11912404a
1254a4180
133461370
142201ba0
15163c240
hexf645f0

16139760 has 160 divisors (see below), whose sum is σ = 61662720. Its totient is φ = 3400704.

The previous prime is 16139743. The next prime is 16139777. The reversal of 16139760 is 6793161.

It is an interprime number because it is at equal distance from previous prime (16139743) and next prime (16139777).

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 in 31 ways as a sum of consecutive naturals, for example, 21471 + ... + 22209.

It is an arithmetic number, because the mean of its divisors is an integer number (385392).

Almost surely, 216139760 is an apocalyptic number.

16139760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16139760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30831360).

16139760 is an abundant number, since it is smaller than the sum of its proper divisors (45522960).

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

16139760 is a wasteful number, since it uses less digits than its factorization.

16139760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 16139760 is about 4017.4320156040. The cubic root of 16139760 is about 252.7157780381.

The spelling of 16139760 in words is "sixteen million, one hundred thirty-nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 52 56 60 65 70 78 80 84 91 104 105 112 120 130 140 156 168 182 195 208 210 240 260 273 280 312 336 364 390 420 455 520 546 560 624 728 739 780 840 910 1040 1092 1365 1456 1478 1560 1680 1820 2184 2217 2730 2956 3120 3640 3695 4368 4434 5173 5460 5912 7280 7390 8868 9607 10346 10920 11085 11824 14780 15519 17736 19214 20692 21840 22170 25865 28821 29560 31038 35472 38428 41384 44340 48035 51730 57642 59120 62076 67249 76856 77595 82768 88680 96070 103460 115284 124152 134498 144105 153712 155190 177360 192140 201747 206920 230568 248304 268996 288210 310380 336245 384280 403494 413840 461136 537992 576420 620760 672490 768560 806988 1008735 1075984 1152840 1241520 1344980 1613976 2017470 2305680 2689960 3227952 4034940 5379920 8069880 16139760