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23894049 = 37964683
BaseRepresentation
bin101101100100…
…1100000100001
31122221221110210
41123021200201
522104102144
62212044333
7410044644
oct133114041
948857423
1023894049
111253aa53
1280036a9
134c479ba
14325da5b
15216eab9
hex16c9821

23894049 has 4 divisors (see below), whose sum is σ = 31858736. Its totient is φ = 15929364.

The previous prime is 23894029. The next prime is 23894051. The reversal of 23894049 is 94049832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23894049 - 27 = 23893921 is a prime.

It is a super-2 number, since 2×238940492 = 1141851155228802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23893998 and 23894016.

It is not an unprimeable number, because it can be changed into a prime (23894029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982339 + ... + 3982344.

It is an arithmetic number, because the mean of its divisors is an integer number (7964684).

Almost surely, 223894049 is an apocalyptic number.

It is an amenable number.

23894049 is a deficient number, since it is larger than the sum of its proper divisors (7964687).

23894049 is an equidigital number, since it uses as much as digits as its factorization.

23894049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964686.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 23894049 is about 4888.1539460209. The cubic root of 23894049 is about 288.0248218382.

The spelling of 23894049 in words is "twenty-three million, eight hundred ninety-four thousand, forty-nine".

Divisors: 1 3 7964683 23894049