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12103260 = 22351359263
BaseRepresentation
bin101110001010…
…111001011100
3211202220112220
4232022321130
511044301020
61111225340
7204606321
oct56127134
924686486
1012103260
1169173a4
124078250
132679cc0
141870b48
1510e1240
hexb8ae5c

12103260 has 96 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 2917632.

The previous prime is 12103249. The next prime is 12103271. The reversal of 12103260 is 6230121.

It is an interprime number because it is at equal distance from previous prime (12103249) and next prime (12103271).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 45889 + ... + 46151.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 212103260 is an apocalyptic number.

12103260 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 12103260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627840).

12103260 is an abundant number, since it is smaller than the sum of its proper divisors (25152420).

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

12103260 is a wasteful number, since it uses less digits than its factorization.

12103260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12103260 is about 3478.9739866806. The cubic root of 12103260 is about 229.5976582780.

Adding to 12103260 its reverse (6230121), we get a palindrome (18333381).

The spelling of 12103260 in words is "twelve million, one hundred three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 59 60 65 78 118 130 156 177 195 236 260 263 295 354 390 526 590 708 767 780 789 885 1052 1180 1315 1534 1578 1770 2301 2630 3068 3156 3419 3540 3835 3945 4602 5260 6838 7670 7890 9204 10257 11505 13676 15340 15517 15780 17095 20514 23010 31034 34190 41028 46020 46551 51285 62068 68380 77585 93102 102570 155170 186204 201721 205140 232755 310340 403442 465510 605163 806884 931020 1008605 1210326 2017210 2420652 3025815 4034420 6051630 12103260