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16441620 = 223513107197
BaseRepresentation
bin111110101110…
…000100010100
31010221022122220
4332232010110
513202112440
61344222340
7256515516
oct76560424
933838586
1016441620
11930a918
12560a9b0
133538890
14227dbb6
15169b8d0
hexfae114

16441620 has 96 divisors (see below), whose sum is σ = 50295168. Its totient is φ = 3988992.

The previous prime is 16441603. The next prime is 16441657. The reversal of 16441620 is 2614461.

16441620 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164416203 (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 31 ways as a sum of consecutive naturals, for example, 83362 + ... + 83558.

It is an arithmetic number, because the mean of its divisors is an integer number (523908).

Almost surely, 216441620 is an apocalyptic number.

16441620 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 16441620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25147584).

16441620 is an abundant number, since it is smaller than the sum of its proper divisors (33853548).

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

16441620 is a wasteful number, since it uses less digits than its factorization.

16441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16441620 is about 4054.8267533891. The cubic root of 16441620 is about 254.2815610025.

The spelling of 16441620 in words is "sixteen million, four hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 107 130 156 195 197 214 260 321 390 394 428 535 591 642 780 788 985 1070 1182 1284 1391 1605 1970 2140 2364 2561 2782 2955 3210 3940 4173 5122 5564 5910 6420 6955 7683 8346 10244 11820 12805 13910 15366 16692 20865 21079 25610 27820 30732 38415 41730 42158 51220 63237 76830 83460 84316 105395 126474 153660 210790 252948 274027 316185 421580 548054 632370 822081 1096108 1264740 1370135 1644162 2740270 3288324 4110405 5480540 8220810 16441620