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23704893 = 383613
BaseRepresentation
bin101101001101…
…1010100111101
31122121100000000
41122123110331
522032024033
62204024513
7405326322
oct132332475
948540000
1023704893
1112420923
127b32139
134bac884
143210b49
152133a13
hex169b53d

23704893 has 18 divisors (see below), whose sum is σ = 35565374. Its totient is φ = 15798888.

The previous prime is 23704871. The next prime is 23704907. The reversal of 23704893 is 39840732.

It can be written as a sum of positive squares in only one way, i.e., 12131289 + 11573604 = 3483^2 + 3402^2 .

It is not a de Polignac number, because 23704893 - 217 = 23573821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23704823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4755 + ... + 8367.

Almost surely, 223704893 is an apocalyptic number.

It is an amenable number.

23704893 is a deficient number, since it is larger than the sum of its proper divisors (11860481).

23704893 is an frugal number, since it uses more digits than its factorization.

23704893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23704893 is about 4868.7670923962. The cubic root of 23704893 is about 287.2627628303.

The spelling of 23704893 in words is "twenty-three million, seven hundred four thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 81 243 729 2187 3613 6561 10839 32517 97551 292653 877959 2633877 7901631 23704893