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23030033 = 131993239
BaseRepresentation
bin101011111011…
…0100100010001
31121100001021012
41113312210101
521343430113
62141340305
7366515645
oct127664421
947301235
1023030033
1111aaa894
127867695
134a04650
1430b6c25
15204daa8
hex15f6911

23030033 has 8 divisors (see below), whose sum is σ = 26107200. Its totient is φ = 20139408.

The previous prime is 23030023. The next prime is 23030041. The reversal of 23030033 is 33003032.

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

It is a cyclic number.

It is not a de Polignac number, because 23030033 - 210 = 23029009 is a prime.

It is a super-4 number, since 4×230300334 (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23030023) 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, 46373 + ... + 46866.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 223030033 is an apocalyptic number.

It is an amenable number.

23030033 is a deficient number, since it is larger than the sum of its proper divisors (3077167).

23030033 is a wasteful number, since it uses less digits than its factorization.

23030033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93271.

The product of its (nonzero) digits is 162, while the sum is 14.

The square root of 23030033 is about 4798.9616585257. The cubic root of 23030033 is about 284.5104265480.

Adding to 23030033 its reverse (33003032), we get a palindrome (56033065).

The spelling of 23030033 in words is "twenty-three million, thirty thousand, thirty-three".

Divisors: 1 13 19 247 93239 1212107 1771541 23030033