Search a number
-
+
23054969 = 710730781
BaseRepresentation
bin101011111110…
…0101001111001
31121101022110202
41113330221321
521400224334
62142051545
7366651440
oct127745171
947338422
1023054969
11120175a3
127879bb5
134a12ac2
1430c1d57
15205617e
hex15fca79

23054969 has 8 divisors (see below), whose sum is σ = 26595648. Its totient is φ = 19576080.

The previous prime is 23054951. The next prime is 23055013. The reversal of 23054969 is 96945032.

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 23054969 - 212 = 23050873 is a prime.

It is a super-3 number, since 3×230549693 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23054909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14642 + ... + 16139.

It is an arithmetic number, because the mean of its divisors is an integer number (3324456).

Almost surely, 223054969 is an apocalyptic number.

It is an amenable number.

23054969 is a deficient number, since it is larger than the sum of its proper divisors (3540679).

23054969 is a wasteful number, since it uses less digits than its factorization.

23054969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 23054969 is about 4801.5590176525. The cubic root of 23054969 is about 284.6130750182.

The spelling of 23054969 in words is "twenty-three million, fifty-four thousand, nine hundred sixty-nine".

Divisors: 1 7 107 749 30781 215467 3293567 23054969