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23378268 = 22310119289
BaseRepresentation
bin101100100101…
…1100101011100
31121222201221210
41121023211130
521441101033
62153024420
7402466134
oct131134534
947881853
1023378268
1112218491
1279b5110
134ac6cc4
143167ac4
1520bbd63
hex164b95c

23378268 has 24 divisors (see below), whose sum is σ = 55092240. Its totient is φ = 7715200.

The previous prime is 23378239. The next prime is 23378269. The reversal of 23378268 is 86287332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378269) 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, 8433 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (2295510).

Almost surely, 223378268 is an apocalyptic number.

It is an amenable number.

23378268 is an abundant number, since it is smaller than the sum of its proper divisors (31713972).

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

23378268 is a wasteful number, since it uses less digits than its factorization.

23378268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397 (or 19395 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 23378268 is about 4835.1078581558. The cubic root of 23378268 is about 285.9372773924.

The spelling of 23378268 in words is "twenty-three million, three hundred seventy-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 19289 38578 57867 77156 115734 231468 1948189 3896378 5844567 7792756 11689134 23378268