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12227058 = 233226427
BaseRepresentation
bin101110101001…
…000111110010
3212000012101000
4232221013302
511112231213
61114022430
7205633254
oct56510762
925005330
1012227058
1169a1408
124117a16
1326c145c
1418a3cd4
151117c73
hexba91f2

12227058 has 16 divisors (see below), whose sum is σ = 27171360. Its totient is φ = 4075668.

The previous prime is 12227041. The next prime is 12227069. The reversal of 12227058 is 85072221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113160 + ... + 113267.

It is an arithmetic number, because the mean of its divisors is an integer number (1698210).

Almost surely, 212227058 is an apocalyptic number.

12227058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12227058 is an abundant number, since it is smaller than the sum of its proper divisors (14944302).

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

12227058 is a wasteful number, since it uses less digits than its factorization.

12227058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226438 (or 226432 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12227058 is about 3496.7210354845. The cubic root of 12227058 is about 230.3778163320.

Adding to 12227058 its reverse (85072221), we get a palindrome (97299279).

The spelling of 12227058 in words is "twelve million, two hundred twenty-seven thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 226427 452854 679281 1358562 2037843 4075686 6113529 12227058