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23304469 = 195920789
BaseRepresentation
bin101100011100…
…1100100010101
31121211222201111
41120321210111
521431220334
62151255021
7402041026
oct130714425
947758644
1023304469
1112177aa1
12797a471
134a9c536
143148c4d
1520a5064
hex1639915

23304469 has 8 divisors (see below), whose sum is σ = 24948000. Its totient is φ = 21702672.

The previous prime is 23304443. The next prime is 23304473. The reversal of 23304469 is 96440332.

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 23304469 - 215 = 23271701 is a prime.

It is a super-2 number, since 2×233044692 = 1086196550743922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23304469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304439) 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, 9274 + ... + 11515.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 223304469 is an apocalyptic number.

It is an amenable number.

23304469 is a deficient number, since it is larger than the sum of its proper divisors (1643531).

23304469 is a wasteful number, since it uses less digits than its factorization.

23304469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20867.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 23304469 is about 4827.4702484842. The cubic root of 23304469 is about 285.6360841573.

The spelling of 23304469 in words is "twenty-three million, three hundred four thousand, four hundred sixty-nine".

Divisors: 1 19 59 1121 20789 394991 1226551 23304469