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12282885 = 325499547
BaseRepresentation
bin101110110110…
…110000000101
3212010000221200
4232312300011
511121023020
61115133113
7206255106
oct56666005
925100850
1012282885
116a2a34a
124144199
1327109a4
1418ba3ad
151129590
hexbb6c05

12282885 has 24 divisors (see below), whose sum is σ = 21372000. Its totient is φ = 6525792.

The previous prime is 12282871. The next prime is 12282887. The reversal of 12282885 is 58828221.

It is a happy number.

12282885 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12282885 - 28 = 12282629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12282887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22182 + ... + 22728.

It is an arithmetic number, because the mean of its divisors is an integer number (890500).

Almost surely, 212282885 is an apocalyptic number.

12282885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12282885 is a deficient number, since it is larger than the sum of its proper divisors (9089115).

12282885 is a wasteful number, since it uses less digits than its factorization.

12282885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 12282885 is about 3504.6947085303. The cubic root of 12282885 is about 230.7279081138.

The spelling of 12282885 in words is "twelve million, two hundred eighty-two thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 499 547 1497 1641 2495 2735 4491 4923 7485 8205 22455 24615 272953 818859 1364765 2456577 4094295 12282885