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12226090 = 253139439
BaseRepresentation
bin101110101000…
…111000101010
3212000011001011
4232220320222
511112213330
61114014134
7205630402
oct56507052
925004034
1012226090
1169a0708
12411734a
1326c0b96
1418a3802
15111782a
hexba8e2a

12226090 has 16 divisors (see below), whose sum is σ = 22717440. Its totient is φ = 4732560.

The previous prime is 12226069. The next prime is 12226091. The reversal of 12226090 is 9062221.

It is a happy number.

12226090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12226091) 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, 19410 + ... + 20029.

It is an arithmetic number, because the mean of its divisors is an integer number (1419840).

Almost surely, 212226090 is an apocalyptic number.

12226090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12226090 is a deficient number, since it is larger than the sum of its proper divisors (10491350).

12226090 is a wasteful number, since it uses less digits than its factorization.

12226090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39477.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12226090 is about 3496.5826173566. The cubic root of 12226090 is about 230.3717366026.

The spelling of 12226090 in words is "twelve million, two hundred twenty-six thousand, ninety".

Divisors: 1 2 5 10 31 62 155 310 39439 78878 197195 394390 1222609 2445218 6113045 12226090