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12266940 = 2235729207
BaseRepresentation
bin101110110010…
…110110111100
3212002020002010
4232302312330
511120020230
61114531220
7206160450
oct56626674
925066063
1012266940
116a19374
124136b10
13270665a
1418b4660
1511249b0
hexbb2dbc

12266940 has 48 divisors (see below), whose sum is σ = 39255552. Its totient is φ = 2803776.

The previous prime is 12266939. The next prime is 12266983. The reversal of 12266940 is 4966221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12266898 and 12266907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14184 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (817824).

Almost surely, 212266940 is an apocalyptic number.

12266940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12266940 is an abundant number, since it is smaller than the sum of its proper divisors (26988612).

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

12266940 is a wasteful number, since it uses less digits than its factorization.

12266940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29226 (or 29224 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12266940 is about 3502.4191639494. The cubic root of 12266940 is about 230.6280252392.

The spelling of 12266940 in words is "twelve million, two hundred sixty-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 29207 58414 87621 116828 146035 175242 204449 292070 350484 408898 438105 584140 613347 817796 876210 1022245 1226694 1752420 2044490 2453388 3066735 4088980 6133470 12266940