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10855680 = 283511257
BaseRepresentation
bin101001011010…
…010100000000
3202102112012020
4221122110000
510234340210
61024401440
7161162133
oct51322400
922375166
1010855680
116145040
123776280
1323311a4
14162821a
15e46770
hexa5a500

10855680 has 144 divisors (see below), whose sum is σ = 37969344. Its totient is φ = 2621440.

The previous prime is 10855679. The next prime is 10855681. The reversal of 10855680 is 8655801.

It is an interprime number because it is at equal distance from previous prime (10855679) and next prime (10855681).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10855681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42112 + ... + 42368.

It is an arithmetic number, because the mean of its divisors is an integer number (263676).

Almost surely, 210855680 is an apocalyptic number.

10855680 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 10855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18984672).

10855680 is an abundant number, since it is smaller than the sum of its proper divisors (27113664).

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

10855680 is a wasteful number, since it uses less digits than its factorization.

10855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 10855680 is about 3294.7958965617. The cubic root of 10855680 is about 221.4211035587.

The spelling of 10855680 in words is "ten million, eight hundred fifty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 257 264 320 330 352 384 440 480 514 528 640 660 704 768 771 880 960 1028 1056 1280 1285 1320 1408 1542 1760 1920 2056 2112 2570 2640 2816 2827 3084 3520 3840 3855 4112 4224 5140 5280 5654 6168 7040 7710 8224 8448 8481 10280 10560 11308 12336 14080 14135 15420 16448 16962 20560 21120 22616 24672 28270 30840 32896 33924 41120 42240 42405 45232 49344 56540 61680 65792 67848 82240 84810 90464 98688 113080 123360 135696 164480 169620 180928 197376 226160 246720 271392 328960 339240 361856 452320 493440 542784 678480 723712 904640 986880 1085568 1356960 1809280 2171136 2713920 3618560 5427840 10855680