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23030030 = 252303003
BaseRepresentation
bin101011111011…
…0100100001110
31121100001021002
41113312210032
521343430110
62141340302
7366515642
oct127664416
947301232
1023030030
1111aaa891
127867692
134a0464a
1430b6c22
15204daa5
hex15f690e

23030030 has 8 divisors (see below), whose sum is σ = 41454072. Its totient is φ = 9212008.

The previous prime is 23030023. The next prime is 23030041. The reversal of 23030030 is 3003032.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23029993 and 23030020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151492 + ... + 1151511.

It is an arithmetic number, because the mean of its divisors is an integer number (5181759).

Almost surely, 223030030 is an apocalyptic number.

23030030 is a deficient number, since it is larger than the sum of its proper divisors (18424042).

23030030 is a wasteful number, since it uses less digits than its factorization.

23030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303010.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 23030030 is about 4798.9613459581. The cubic root of 23030030 is about 284.5104141941.

Adding to 23030030 its reverse (3003032), we get a palindrome (26033062).

The spelling of 23030030 in words is "twenty-three million, thirty thousand, thirty".

Divisors: 1 2 5 10 2303003 4606006 11515015 23030030