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10814720 = 28571771
BaseRepresentation
bin101001010000…
…010100000000
3202100110000012
4221100110000
510232032340
61023444052
7160631540
oct51202400
922313005
1010814720
116117294
123756628
132318657
141617320
15e39565
hexa50500

10814720 has 144 divisors (see below), whose sum is σ = 31788288. Its totient is φ = 3440640.

The previous prime is 10814719. The next prime is 10814729. The reversal of 10814720 is 2741801.

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 (10814729) 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, 152285 + ... + 152355.

It is an arithmetic number, because the mean of its divisors is an integer number (220752).

Almost surely, 210814720 is an apocalyptic number.

10814720 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 10814720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15894144).

10814720 is an abundant number, since it is smaller than the sum of its proper divisors (20973568).

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

10814720 is an equidigital number, since it uses as much as digits as its factorization.

10814720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10814720 is about 3288.5741591152. The cubic root of 10814720 is about 221.1422682980.

The spelling of 10814720 in words is "ten million, eight hundred fourteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 71 80 85 112 119 128 136 140 142 160 170 224 238 256 272 280 284 320 340 355 448 476 497 544 560 568 595 640 680 710 896 952 994 1088 1120 1136 1190 1207 1280 1360 1420 1792 1904 1988 2176 2240 2272 2380 2414 2485 2720 2840 3808 3976 4352 4480 4544 4760 4828 4970 5440 5680 6035 7616 7952 8449 8960 9088 9520 9656 9940 10880 11360 12070 15232 15904 16898 18176 19040 19312 19880 21760 22720 24140 30464 31808 33796 38080 38624 39760 42245 45440 48280 63616 67592 76160 77248 79520 84490 90880 96560 127232 135184 152320 154496 159040 168980 193120 270368 308992 318080 337960 386240 540736 636160 675920 772480 1081472 1351840 1544960 2162944 2703680 5407360 10814720