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13246620 = 22352329331
BaseRepresentation
bin110010100010…
…000010011100
3220220222221120
4302202002130
511342342440
61151530540
7220410612
oct62420234
926828846
1013246620
117528422
124529a50
13298a54a
141a8b6b2
151269dd0
hexca209c

13246620 has 96 divisors (see below), whose sum is σ = 40158720. Its totient is φ = 3252480.

The previous prime is 13246619. The next prime is 13246627. The reversal of 13246620 is 2664231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13246627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39855 + ... + 40185.

It is an arithmetic number, because the mean of its divisors is an integer number (418320).

Almost surely, 213246620 is an apocalyptic number.

13246620 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 13246620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20079360).

13246620 is an abundant number, since it is smaller than the sum of its proper divisors (26912100).

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

13246620 is a wasteful number, since it uses less digits than its factorization.

13246620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13246620 is about 3639.5906363216. The cubic root of 13246620 is about 236.6110517559.

The spelling of 13246620 in words is "thirteen million, two hundred forty-six thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 29 30 46 58 60 69 87 92 115 116 138 145 174 230 276 290 331 345 348 435 460 580 662 667 690 870 993 1324 1334 1380 1655 1740 1986 2001 2668 3310 3335 3972 4002 4965 6620 6670 7613 8004 9599 9930 10005 13340 15226 19198 19860 20010 22839 28797 30452 38065 38396 40020 45678 47995 57594 76130 91356 95990 114195 115188 143985 152260 191980 220777 228390 287970 441554 456780 575940 662331 883108 1103885 1324662 2207770 2649324 3311655 4415540 6623310 13246620