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12309074 = 219323923
BaseRepresentation
bin101110111101…
…001001010010
3212011100212122
4232331021102
511122342244
61115454242
7206424341
oct56751122
925140778
1012309074
116a47a98
124157382
13271c89b
1418c5b58
1511321ee
hexbbd252

12309074 has 8 divisors (see below), whose sum is σ = 19435440. Its totient is φ = 5830596.

The previous prime is 12309053. The next prime is 12309083. The reversal of 12309074 is 47090321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

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 3 ways as a sum of consecutive naturals, for example, 161924 + ... + 161999.

It is an arithmetic number, because the mean of its divisors is an integer number (2429430).

Almost surely, 212309074 is an apocalyptic number.

12309074 is a deficient number, since it is larger than the sum of its proper divisors (7126366).

12309074 is a wasteful number, since it uses less digits than its factorization.

12309074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323944.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12309074 is about 3508.4289931535. The cubic root of 12309074 is about 230.8917741689.

Adding to 12309074 its reverse (47090321), we get a palindrome (59399395).

The spelling of 12309074 in words is "twelve million, three hundred nine thousand, seventy-four".

Divisors: 1 2 19 38 323923 647846 6154537 12309074