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12149468 = 2237103797
BaseRepresentation
bin101110010110…
…001011011100
3211212020221022
4232112023130
511102240333
61112223312
7205161122
oct56261334
924766838
1012149468
116949091
12409ab38
132695046
141883912
1510eec98
hexb962dc

12149468 has 24 divisors (see below), whose sum is σ = 22075872. Its totient is φ = 5845824.

The previous prime is 12149461. The next prime is 12149471. The reversal of 12149468 is 86494121.

It is a happy number.

It is a super-3 number, since 3×121494683 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149461) by changing a digit.

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, 14846 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 212149468 is an apocalyptic number.

It is an amenable number.

12149468 is a deficient number, since it is larger than the sum of its proper divisors (9926404).

12149468 is a wasteful number, since it uses less digits than its factorization.

12149468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 12149468 is about 3485.6086986350. The cubic root of 12149468 is about 229.8894743060.

The spelling of 12149468 in words is "twelve million, one hundred forty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 37 74 103 148 206 412 797 1594 3188 3811 7622 15244 29489 58978 82091 117956 164182 328364 3037367 6074734 12149468