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12224490 = 235407483
BaseRepresentation
bin101110101000…
…011111101010
3212000001211220
4232220133222
511112140430
61114002510
7205622625
oct56503752
925001756
1012224490
11699a493
124116436
1326c0235
1418a2dbc
151117110
hexba87ea

12224490 has 16 divisors (see below), whose sum is σ = 29338848. Its totient is φ = 3259856.

The previous prime is 12224483. The next prime is 12224497. The reversal of 12224490 is 9442221.

It is an interprime number because it is at equal distance from previous prime (12224483) and next prime (12224497).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12224490.

It is not an unprimeable number, because it can be changed into a prime (12224497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203712 + ... + 203771.

It is an arithmetic number, because the mean of its divisors is an integer number (1833678).

Almost surely, 212224490 is an apocalyptic number.

12224490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12224490 is an abundant number, since it is smaller than the sum of its proper divisors (17114358).

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

12224490 is a wasteful number, since it uses less digits than its factorization.

12224490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407493.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12224490 is about 3496.3538150479. The cubic root of 12224490 is about 230.3616867595.

The spelling of 12224490 in words is "twelve million, two hundred twenty-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 407483 814966 1222449 2037415 2444898 4074830 6112245 12224490