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12293120 = 210574
BaseRepresentation
bin101110111001…
…010000000000
3212010112222202
4232321100000
511121334440
61115252332
7206330000
oct56712000
925115882
1012293120
116a37004
12414a0a8
132715548
1418c0000
15112c615
hexbb9400

12293120 has 110 divisors (see below), whose sum is σ = 34401882. Its totient is φ = 4214784.

The previous prime is 12293117. The next prime is 12293137. The reversal of 12293120 is 2139221.

It can be written as a sum of positive squares in only one way, i.e., 9834496 + 2458624 = 3136^2 + 1568^2 .

It is a super-2 number, since 2×122931202 = 302241598668800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12293092 and 12293101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1756157 + ... + 1756163.

Almost surely, 212293120 is an apocalyptic number.

12293120 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 12293120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17200941).

12293120 is an abundant number, since it is smaller than the sum of its proper divisors (22108762).

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

12293120 is an frugal number, since it uses more digits than its factorization.

12293120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12293120 is about 3506.1545887197. The cubic root of 12293120 is about 230.7919767893.

Multiplying 12293120 by its sum of digits (20), we get a square (245862400 = 156802).

12293120 divided by its sum of digits (20) gives a 4-th power (614656 = 284).

The spelling of 12293120 in words is "twelve million, two hundred ninety-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 343 392 448 490 512 560 640 686 784 896 980 1024 1120 1280 1372 1568 1715 1792 1960 2240 2401 2560 2744 3136 3430 3584 3920 4480 4802 5120 5488 6272 6860 7168 7840 8960 9604 10976 12005 12544 13720 15680 17920 19208 21952 24010 25088 27440 31360 35840 38416 43904 48020 50176 54880 62720 76832 87808 96040 109760 125440 153664 175616 192080 219520 250880 307328 351232 384160 439040 614656 768320 878080 1229312 1536640 1756160 2458624 3073280 6146560 12293120