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23148633 = 389181479
BaseRepresentation
bin101100001001…
…1100001011001
31121120001221210
41120103201121
521411224013
62144053333
7400521504
oct130234131
947501853
1023148633
1112080a02
127904249
134a46621
14310813b
152073cc3
hex1613859

23148633 has 16 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 15143040.

The previous prime is 23148607. The next prime is 23148703. The reversal of 23148633 is 33684132.

It is not a de Polignac number, because 23148633 - 216 = 23083097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23148633.

It is not an unprimeable number, because it can be changed into a prime (23148533) 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 15 ways as a sum of consecutive naturals, for example, 48088 + ... + 48566.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 223148633 is an apocalyptic number.

It is an amenable number.

23148633 is a deficient number, since it is larger than the sum of its proper divisors (8300967).

23148633 is a wasteful number, since it uses less digits than its factorization.

23148633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 10368, while the sum is 30.

The square root of 23148633 is about 4811.3026302655. The cubic root of 23148633 is about 284.9979809029.

The spelling of 23148633 in words is "twenty-three million, one hundred forty-eight thousand, six hundred thirty-three".

Divisors: 1 3 89 181 267 479 543 1437 16109 42631 48327 86699 127893 260097 7716211 23148633