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12335280 = 2435103499
BaseRepresentation
bin101111000011…
…100010110000
3212012200211020
4233003202300
511124212110
61120215440
7206563626
oct57034260
925180736
1012335280
116a65751
12416a580
13272b7a9
1418d1516
151139d70
hexbc38b0

12335280 has 80 divisors (see below), whose sum is σ = 38688000. Its totient is φ = 3250944.

The previous prime is 12335261. The next prime is 12335287. The reversal of 12335280 is 8253321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12335280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12335287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24471 + ... + 24969.

It is an arithmetic number, because the mean of its divisors is an integer number (483600).

Almost surely, 212335280 is an apocalyptic number.

12335280 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 12335280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19344000).

12335280 is an abundant number, since it is smaller than the sum of its proper divisors (26352720).

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

12335280 is a wasteful number, since it uses less digits than its factorization.

12335280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12335280 is about 3512.1617274835. The cubic root of 12335280 is about 231.0555141029.

The spelling of 12335280 in words is "twelve million, three hundred thirty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 103 120 206 240 309 412 499 515 618 824 998 1030 1236 1497 1545 1648 1996 2060 2472 2495 2994 3090 3992 4120 4944 4990 5988 6180 7485 7984 8240 9980 11976 12360 14970 19960 23952 24720 29940 39920 51397 59880 102794 119760 154191 205588 256985 308382 411176 513970 616764 770955 822352 1027940 1233528 1541910 2055880 2467056 3083820 4111760 6167640 12335280