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23388268 = 2229201623
BaseRepresentation
bin101100100111…
…0000001101100
31122000020200011
41121032001230
521441411033
62153143004
7402540241
oct131160154
948006604
1023388268
1112224a52
1279baa64
134acb717
14316b5c8
1520beccd
hex164e06c

23388268 has 12 divisors (see below), whose sum is σ = 42341040. Its totient is φ = 11290832.

The previous prime is 23388257. The next prime is 23388269. The reversal of 23388268 is 86288332.

It is a super-2 number, since 2×233882682 = 1094022160079648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23388268.

It is not an unprimeable number, because it can be changed into a prime (23388269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100696 + ... + 100927.

It is an arithmetic number, because the mean of its divisors is an integer number (3528420).

Almost surely, 223388268 is an apocalyptic number.

It is an amenable number.

23388268 is a deficient number, since it is larger than the sum of its proper divisors (18952772).

23388268 is a wasteful number, since it uses less digits than its factorization.

23388268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201656 (or 201654 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 23388268 is about 4836.1418506905. The cubic root of 23388268 is about 285.9780412502.

The spelling of 23388268 in words is "twenty-three million, three hundred eighty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 29 58 116 201623 403246 806492 5847067 11694134 23388268